Killbuck may refer to:

Bemino (fl. 1710s–1780s), known as John Killbuck Sr, medicine man and war leader of Delaware (Lenape) and Shawnee warriors Gelelemend (1737–1811), known as John Killbuck Jr, Bemino's son, Delaware (Lenape) chief Killbuck Township, Holmes County, Ohio, U.S. Killbuck, Ohio Killbuck Creek Killbuck Creek (Kishwaukee River tributary), Illinois, U.S.

See also Kilbuck (disambiguation) Lenape, an indigenous people of the Northeastern Woodlands