diff --git a/code/__DEFINES/keybinding.dm b/code/__DEFINES/keybinding.dm
index eacb3a02714..2fc4f935809 100644
--- a/code/__DEFINES/keybinding.dm
+++ b/code/__DEFINES/keybinding.dm
@@ -14,6 +14,7 @@
 #define COMSIG_KB_ADMIN_INVISIMINTOGGLE_DOWN "keybinding_admin_invisimintoggle_down"
 #define COMSIG_KB_ADMIN_DEADMIN_DOWN "keybinding_admin_deadmin_down"
 #define COMSIG_KB_ADMIN_READMIN_DOWN "keybinding_admin_readmin_down"
+#define COMSIG_KB_ADMIN_VIEWTAGS_DOWN "keybinding_admin_viewtags_down"
 
 //Carbon
 #define COMSIG_KB_CARBON_HOLDRUNMOVEINTENT_DOWN "keybinding_carbon_holdrunmoveintent_down"
diff --git a/code/__DEFINES/vv.dm b/code/__DEFINES/vv.dm
index 85d6b5483d4..23da32cc827 100644
--- a/code/__DEFINES/vv.dm
+++ b/code/__DEFINES/vv.dm
@@ -21,6 +21,7 @@
 #define VV_INFINITY "Infinity"
 #define VV_RESTORE_DEFAULT "Restore to Default"
 #define VV_MARKED_DATUM "Marked Datum"
+#define VV_TAGGED_DATUM "Tagged Datum"
 #define VV_BITFIELD "Bitfield"
 #define VV_TEXT_LOCATE "Custom Reference Locate"
 #define VV_PROCCALL_RETVAL "Return Value of Proccall"
@@ -76,6 +77,7 @@
 #define VV_HK_EXPOSE "expose"
 #define VV_HK_CALLPROC "proc_call"
 #define VV_HK_MARK "mark"
+#define VV_HK_TAG "tag"
 #define VV_HK_ADDCOMPONENT "addcomponent"
 #define VV_HK_REMOVECOMPONENT "removecomponent"
 #define VV_HK_MASS_REMOVECOMPONENT "massremovecomponent"
diff --git a/code/_onclick/click.dm b/code/_onclick/click.dm
index 7295da34a61..cda883bb946 100644
--- a/code/_onclick/click.dm
+++ b/code/_onclick/click.dm
@@ -90,7 +90,10 @@
 		ShiftClickOn(A)
 		return
 	if(LAZYACCESS(modifiers, MIDDLE_CLICK))
-		MiddleClickOn(A, params)
+		if(LAZYACCESS(modifiers, CTRL_CLICK))
+			CtrlMiddleClickOn(A)
+		else
+			MiddleClickOn(A, params)
 		return
 	if(LAZYACCESS(modifiers, ALT_CLICK)) // alt and alt-gr (rightalt)
 		if(LAZYACCESS(modifiers, RIGHT_CLICK))
@@ -381,6 +384,13 @@
 
 	return ..()
 
+/mob/proc/CtrlMiddleClickOn(atom/A)
+	if(check_rights_for(client, R_ADMIN))
+		client.toggle_tag_datum(A)
+	else
+		A.CtrlClick(src)
+	return
+
 /**
  * Alt click
  * Unused except for AI
@@ -414,6 +424,9 @@
 		return FALSE
 	if(SEND_SIGNAL(src, COMSIG_CLICK_ALT_SECONDARY, user) & COMPONENT_CANCEL_CLICK_ALT_SECONDARY)
 		return
+	if(isobserver(user) && user.client && check_rights_for(user.client, R_DEBUG))
+		user.client.toggle_tag_datum(src)
+		return
 
 /// Use this instead of [/mob/proc/AltClickOn] where you only want turf content listing without additional atom alt-click interaction
 /atom/proc/AltClickNoInteract(mob/user, atom/A)
diff --git a/code/_onclick/observer.dm b/code/_onclick/observer.dm
index c54c130ee2d..005e869e32e 100644
--- a/code/_onclick/observer.dm
+++ b/code/_onclick/observer.dm
@@ -31,7 +31,10 @@
 		ShiftClickOn(A)
 		return
 	if(LAZYACCESS(modifiers, MIDDLE_CLICK))
-		MiddleClickOn(A, params)
+		if(LAZYACCESS(modifiers, CTRL_CLICK))
+			CtrlMiddleClickOn(A)
+		else
+			MiddleClickOn(A, params)
 		return
 	if(LAZYACCESS(modifiers, ALT_CLICK))
 		AltClickNoInteract(src, A)
diff --git a/code/datums/datumvars.dm b/code/datums/datumvars.dm
index 17f6581ab77..d35c562fc1f 100644
--- a/code/datums/datumvars.dm
+++ b/code/datums/datumvars.dm
@@ -27,6 +27,7 @@
 	VV_DROPDOWN_OPTION("", "---")
 	VV_DROPDOWN_OPTION(VV_HK_CALLPROC, "Call Proc")
 	VV_DROPDOWN_OPTION(VV_HK_MARK, "Mark Object")
+	VV_DROPDOWN_OPTION(VV_HK_TAG, "Tag Datum")
 	VV_DROPDOWN_OPTION(VV_HK_DELETE, "Delete")
 	VV_DROPDOWN_OPTION(VV_HK_EXPOSE, "Show VV To Player")
 	VV_DROPDOWN_OPTION(VV_HK_ADDCOMPONENT, "Add Component/Element")
diff --git a/code/datums/keybinding/admin.dm b/code/datums/keybinding/admin.dm
index 10d9722eaa8..39fa27f40c3 100644
--- a/code/datums/keybinding/admin.dm
+++ b/code/datums/keybinding/admin.dm
@@ -130,3 +130,17 @@
 		return
 	user.readmin()
 	return TRUE
+
+/datum/keybinding/admin/view_tags
+	hotkey_keys = list("F9")
+	name = "view_tags"
+	full_name = "View Tags"
+	description = "Open the View-Tags menu"
+	keybind_signal = COMSIG_KB_ADMIN_VIEWTAGS_DOWN
+
+/datum/keybinding/admin/view_tags/down(client/user)
+	. = ..()
+	if(.)
+		return
+	user.holder?.display_tags()
+	return TRUE
diff --git a/code/modules/admin/admin_verbs.dm b/code/modules/admin/admin_verbs.dm
index 529a45a32e5..27c746b392e 100644
--- a/code/modules/admin/admin_verbs.dm
+++ b/code/modules/admin/admin_verbs.dm
@@ -17,6 +17,7 @@ GLOBAL_PROTECT(admin_verbs_default)
 	/client/proc/cmd_admin_pm_panel, /*admin-pm list*/
 	/client/proc/stop_sounds,
 	/client/proc/mark_datum_mapview,
+	/client/proc/tag_datum_mapview,
 	/client/proc/debugstatpanel,
 	/client/proc/fix_air, /*resets air in designated radius to its default atmos composition*/
 	/client/proc/requests
@@ -77,6 +78,7 @@ GLOBAL_PROTECT(admin_verbs_admin)
 	/datum/admins/proc/view_all_sdql_spells,
 	/datum/admins/proc/known_alts_panel,
 	/datum/admins/proc/paintings_manager,
+	/datum/admins/proc/display_tags,
 	)
 GLOBAL_LIST_INIT(admin_verbs_ban, list(/client/proc/unban_panel, /client/proc/ban_panel, /client/proc/stickybanpanel))
 GLOBAL_PROTECT(admin_verbs_ban)
diff --git a/code/modules/admin/holder2.dm b/code/modules/admin/holder2.dm
index d8a1bf0a334..a8172670a0a 100644
--- a/code/modules/admin/holder2.dm
+++ b/code/modules/admin/holder2.dm
@@ -39,6 +39,9 @@ GLOBAL_PROTECT(href_token)
 	/// Whether or not this user can bypass 2FA
 	var/bypass_2fa = FALSE
 
+	/// A lazylist of tagged datums, for quick reference with the View Tags verb
+	var/list/tagged_datums
+
 /datum/admins/New(datum/admin_rank/R, ckey, force_active = FALSE, protected)
 	if(IsAdminAdvancedProcCall())
 		var/msg = " has tried to elevate permissions!"
diff --git a/code/modules/admin/tag.dm b/code/modules/admin/tag.dm
new file mode 100644
index 00000000000..c0c22806636
--- /dev/null
+++ b/code/modules/admin/tag.dm
@@ -0,0 +1,108 @@
+/**
+ * Inserts the target_datum into [/datum/admins/var/tagged_datums], for later reference.
+ *
+ * Arguments:
+ * * target_datum - The datum you want to create a tag for
+ */
+/datum/admins/proc/add_tagged_datum(datum/target_datum)
+	if(LAZYFIND(tagged_datums, target_datum))
+		to_chat(owner, span_warning("[target_datum] is already tagged!"))
+		return
+
+	LAZYADD(tagged_datums, target_datum)
+	RegisterSignal(target_datum, COMSIG_PARENT_QDELETING, .proc/handle_tagged_del, override = TRUE)
+	to_chat(owner, span_notice("[target_datum] has been tagged."))
+
+/// Get ahead of the curve with deleting
+/datum/admins/proc/handle_tagged_del(datum/source)
+	SIGNAL_HANDLER
+
+	if(owner)
+		to_chat(owner, span_boldnotice("Tagged datum [source] ([source.type]) has been deleted."))
+	remove_tagged_datum(source, silent = TRUE)
+
+/**
+ * Attempts to remove the specified datum from [/datum/admins/var/tagged_datums] if it exists
+ *
+ * Arguments:
+ * * target_datum - The datum you want to remove from the tagged_datums list
+ * * silent - If TRUE, won't print messages to the owner's chat
+ */
+/datum/admins/proc/remove_tagged_datum(datum/target_datum, silent=FALSE)
+	if(!istype(target_datum))
+		return
+
+	if(LAZYFIND(tagged_datums, target_datum))
+		LAZYREMOVE(tagged_datums, target_datum)
+		if(!silent)
+			to_chat(owner, span_notice("[target_datum] has been untagged."))
+	else if(!silent)
+		to_chat(owner, span_warning("[target_datum] was not already tagged."))
+
+/// Quick define for readability
+#define TAG_DEL(X) "<b>(<A href='?src=[REF(src)];[HrefToken(TRUE)];del_tag=[REF(X)]'>UNTAG</a>)</b>"
+#define TAG_MARK(X) "<b>(<A href='?src=[REF(src)];[HrefToken(TRUE)];mark_datum=[REF(X)]'>MARK</a>)</b>"
+#define TAG_SIMPLE_HEALTH(X) "<font color='#ff0000'><b>Health: [X.health]</b></font>"
+#define TAG_CARBON_HEALTH(X) "<font color='#ff0000'><b>Health: [X.health]</b></font> (\
+					<font color='#ff3333'>[X.getBruteLoss()]</font> \
+					<font color='#ff9933'>[X.getFireLoss()]</font> \
+					<font color='#00cc66'>[X.getToxLoss()]</font> \
+					<font color='#00cccc'>[X.getOxyLoss()]</font>\
+					[X.getCloneLoss() ? " <font color='#1c3ac4'>[X.getCloneLoss()]</font>" : ""])"
+
+/// Display all of the tagged datums
+/datum/admins/proc/display_tags()
+	set category = "Admin.Game"
+	set name = "View Tags"
+
+	if (!istype(src, /datum/admins))
+		src = usr.client.holder
+	if (!istype(src, /datum/admins))
+		to_chat(usr, "Error: you are not an admin!", confidential = TRUE)
+		return
+
+	var/index = 0
+	var/list/dat = list("<center><B>Tag Menu</B></center><hr>")
+
+	dat += "<br><A href='?src=[REF(src)];[HrefToken(TRUE)];show_tags=1'>Refresh</a><br>"
+	if(LAZYLEN(tagged_datums))
+		for(var/datum/iter_datum as anything in tagged_datums)
+			index++
+			var/specific_info
+
+			if(isnull(iter_datum))
+				dat += "\t[index]: Null reference - Check runtime logs!"
+				stack_trace("Null datum found in tagged datum menu! User: [usr]")
+				continue
+			else if(iscarbon(iter_datum))
+				var/mob/living/carbon/resolved_carbon = iter_datum
+				specific_info = "[TAG_CARBON_HEALTH(resolved_carbon)] | [AREACOORD(resolved_carbon)] [ADMIN_PP(iter_datum)] [ADMIN_FLW(iter_datum)]"
+			else if(isliving(iter_datum))
+				var/mob/living/resolved_living = iter_datum
+				specific_info = "[TAG_SIMPLE_HEALTH(resolved_living)] | [AREACOORD(resolved_living)] [ADMIN_PP(iter_datum)] [ADMIN_FLW(iter_datum)]"
+			else if(ismob(iter_datum))
+				var/atom/resolved_atom = iter_datum // needed for ADMIN_JMP
+				specific_info = "[AREACOORD(resolved_atom)] [ADMIN_PP(iter_datum)] [ADMIN_FLW(iter_datum)]"
+			else if(ismovable(iter_datum))
+				var/atom/resolved_atom = iter_datum // needed for ADMIN_JMP
+				specific_info = "[AREACOORD(resolved_atom)] [ADMIN_FLW(iter_datum)]"
+			else if(isatom(iter_datum))
+				var/atom/resolved_atom = iter_datum // needed for ADMIN_JMP
+				specific_info = "[AREACOORD(resolved_atom)] [ADMIN_JMP(resolved_atom)]"
+			else if(istype(iter_datum, /datum/controller/subsystem))
+				var/datum/controller/subsystem/resolved_subsystem = iter_datum
+				specific_info = "[resolved_subsystem.stat_entry()]"
+			// else, it's just a /datum
+
+			dat += "\t[index]: [iter_datum] | [specific_info] | [ADMIN_VV(iter_datum)]| [TAG_DEL(iter_datum)] | [iter_datum == marked_datum ? "<b>Marked</b>" : TAG_MARK(iter_datum)] "
+			dat += "\t(<b><font size='2'>[iter_datum.type])</font></b>"
+	else
+		dat += "No datums tagged :("
+
+	dat = dat.Join("<br>")
+	usr << browse(dat, "window=tag;size=800x480")
+
+#undef TAG_DEL
+#undef TAG_MARK
+#undef TAG_SIMPLE_HEALTH
+#undef TAG_CARBON_HEALTH
diff --git a/code/modules/admin/topic.dm b/code/modules/admin/topic.dm
index f309aac633c..9be48936be5 100644
--- a/code/modules/admin/topic.dm
+++ b/code/modules/admin/topic.dm
@@ -1926,3 +1926,24 @@
 		if(!check_rights(R_ADMIN))
 			return
 		GLOB.interviews.ui_interact(usr)
+
+	else if(href_list["del_tag"])
+		if(!check_rights(R_ADMIN))
+			return
+		var/datum/datum_to_remove = locate(href_list["del_tag"])
+		if(!datum_to_remove)
+			return
+		return remove_tagged_datum(datum_to_remove)
+
+	else if(href_list["show_tags"])
+		if(!check_rights(R_ADMIN))
+			return
+		return display_tags()
+
+	else if(href_list["mark_datum"])
+		if(!check_rights(R_ADMIN))
+			return
+		var/datum/datum_to_mark = locate(href_list["mark_datum"])
+		if(!datum_to_mark)
+			return
+		return usr.client?.mark_datum(datum_to_mark)
diff --git a/code/modules/admin/view_variables/get_variables.dm b/code/modules/admin/view_variables/get_variables.dm
index 2e9c0c75f03..9dd0083898a 100644
--- a/code/modules/admin/view_variables/get_variables.dm
+++ b/code/modules/admin/view_variables/get_variables.dm
@@ -85,6 +85,15 @@
 			markstring = "[VV_MARKED_DATUM] (CURRENT: [(istype(holder) && istype(holder.marked_datum))? holder.marked_datum.type : "NULL"])"
 			classes += markstring
 
+		var/list/tagstrings = new
+		if(!(VV_TAGGED_DATUM in restricted_classes) && holder && LAZYLEN(holder.tagged_datums))
+			var/i = 0
+			for(var/datum/iter_tagged_datum as anything in holder.tagged_datums)
+				i++
+				var/new_tagstring = "[VV_TAGGED_DATUM] #[i]: [iter_tagged_datum.type])"
+				tagstrings[new_tagstring] = iter_tagged_datum
+				classes += new_tagstring
+
 		if(restricted_classes)
 			classes -= restricted_classes
 
@@ -95,6 +104,12 @@
 		if(holder && holder.marked_datum && .["class"] == markstring)
 			.["class"] = VV_MARKED_DATUM
 
+		if(holder && tagstrings[.["class"]])
+			var/datum/chosen_datum = tagstrings[.["class"]]
+			.["value"] = chosen_datum
+			.["class"] = VV_TAGGED_DATUM
+
+
 	switch(.["class"])
 		if(VV_TEXT)
 			.["value"] = input("Enter new text:", "Text", current_value) as null|text
@@ -210,6 +225,11 @@
 				.["class"] = null
 				return
 
+		if(VV_TAGGED_DATUM)
+			if(.["value"] == null)
+				.["class"] = null
+				return
+
 		if(VV_PROCCALL_RETVAL)
 			var/list/get_retval = list()
 			callproc_blocking(get_retval)
diff --git a/code/modules/admin/view_variables/tag_datum.dm b/code/modules/admin/view_variables/tag_datum.dm
new file mode 100644
index 00000000000..3b611e3cdf9
--- /dev/null
+++ b/code/modules/admin/view_variables/tag_datum.dm
@@ -0,0 +1,18 @@
+/client/proc/tag_datum(datum/target_datum)
+	if(!holder || QDELETED(target_datum))
+		return
+	holder.add_tagged_datum(target_datum)
+
+/client/proc/toggle_tag_datum(datum/target_datum)
+	if(!holder || !target_datum)
+		return
+
+	if(LAZYFIND(holder.tagged_datums, target_datum))
+		holder.remove_tagged_datum(target_datum)
+	else
+		holder.add_tagged_datum(target_datum)
+
+/client/proc/tag_datum_mapview(datum/target_datum as mob|obj|turf|area in view(view))
+	set category = "Debug"
+	set name = "Tag Datum"
+	tag_datum(target_datum)
diff --git a/code/modules/admin/view_variables/topic_basic.dm b/code/modules/admin/view_variables/topic_basic.dm
index 141310f9fd3..c5a68dc0eeb 100644
--- a/code/modules/admin/view_variables/topic_basic.dm
+++ b/code/modules/admin/view_variables/topic_basic.dm
@@ -50,6 +50,8 @@
 
 	if(href_list[VV_HK_MARK])
 		usr.client.mark_datum(target)
+	if(href_list[VV_HK_TAG])
+		usr.client.tag_datum(target)
 	if(href_list[VV_HK_ADDCOMPONENT])
 		if(!check_rights(NONE))
 			return
diff --git a/tgstation.dme b/tgstation.dme
index 8c34dda1472..bf24cf2a4f8 100644
--- a/tgstation.dme
+++ b/tgstation.dme
@@ -1752,6 +1752,7 @@
 #include "code\modules\admin\sql_ban_system.dm"
 #include "code\modules\admin\sql_message_system.dm"
 #include "code\modules\admin\stickyban.dm"
+#include "code\modules\admin\tag.dm"
 #include "code\modules\admin\team_panel.dm"
 #include "code\modules\admin\topic.dm"
 #include "code\modules\admin\whitelist.dm"
@@ -1840,6 +1841,7 @@
 #include "code\modules\admin\view_variables\mass_edit_variables.dm"
 #include "code\modules\admin\view_variables\modify_variables.dm"
 #include "code\modules\admin\view_variables\reference_tracking.dm"
+#include "code\modules\admin\view_variables\tag_datum.dm"
 #include "code\modules\admin\view_variables\topic.dm"
 #include "code\modules\admin\view_variables\topic_basic.dm"
 #include "code\modules\admin\view_variables\topic_list.dm"