Killadelphia is a slang reference to the city of Philadelphia due to high crime rates in the city. It may also refer to:
Killadelphia (album), a 2004 album by Lamb of God Killadelphia (comics), a comic series written by Rodney Barnes with art by Jason Shawn Alexander Killadelphia (video album), a 2005 DVD by Lamb of God Killadelphia: More Bodies than Days, a 2007 mixtape by rapper Young Chris