Luka Bebić (born 21 August 1937) is a former Croatian politician who served as Speaker of the Croatian Parliament from 11 January 2008 to 22 December 2011.

He is a member of the Croatian Democratic Union (HDZ) and has been a representative in the Croatian Parliament since the nation's independence in 1991, being elected into office six consecutive times.

He graduated from the University of Sarajevo with a degree in agronomics.

He also served briefly as Minister of Defence in 1991.