diff --git a/code/datums/achievements/achievements.dm b/code/datums/achievements/achievements.dm
index 090e58e35dd8..1afc6278ad96 100644
--- a/code/datums/achievements/achievements.dm
+++ b/code/datums/achievements/achievements.dm
@@ -12,3 +12,8 @@
 	name = "I live again"
 	desc = "As a roboticist, create a cyborg"
 	id = 2
+
+/datum/achievement/defib
+	name = "Lifesaver"
+	desc = "Successfully defibrillate someone"
+	id = 3
diff --git a/code/game/objects/items/defib.dm b/code/game/objects/items/defib.dm
index d121b7e862dc..9de8e49a68ea 100644
--- a/code/game/objects/items/defib.dm
+++ b/code/game/objects/items/defib.dm
@@ -626,6 +626,7 @@
 						H.adjustBruteLoss((mobhealth - HALFWAYCRITDEATH) * (total_brute / overall_damage), 0)
 					H.updatehealth() // Previous "adjust" procs don't update health, so we do it manually.
 					user.visible_message("<span class='notice'>[req_defib ? "[defib]" : "[src]"] pings: Resuscitation successful.</span>")
+					SSachievements.unlock_achievement(/datum/achievement/defib, user.client)
 					playsound(src, 'sound/machines/defib_success.ogg', 50, 0)
 					H.set_heartattack(FALSE)
 					H.revive()