| Luka Bebić | |
| Office1: | Speaker of the Croatian Parliament |
| Term Start1: | 11 January 2008 |
| Term End1: | 22 December 2011 |
| Predecessor1: | Vladimir Šeks |
| Successor1: | Boris Šprem |
| Term Start2: | 17 July 1991 |
| Term End2: | 18 September 1991 |
| Predecessor2: | Šime Đodan |
| Successor2: | Gojko Šušak |
| Birth Date: | 21 August 1937 |
| Birth Place: | Desne, Kingdom of Yugoslavia |
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.