| Party: | Democratic Alliance |
| Office1: | Member of the National Assembly |
| Termstart1: | 23 April 2004 |
| Termend1: | May 2009 |
| Citizenship: | South Africa |
| Birth Date: | 16 November 1941 |
| Birth Name: | Leslie Bernardus Labuschagne |
| Constituency1: | Gauteng |
| Termend: | 6 May 2014 |
| Termstart: | 6 May 2009 |
| Office: | Member of the Gauteng Provincial Legislature |
Leslie Bernardus Labuschagne (born 16 November 1941) is a retired South African politician and diplomat. He represented the Democratic Alliance (DA) in the National Assembly from 2004 to 2009 and in the Gauteng Provincial Legislature from 2009 to 2014.
Born on 16 November 1941,[1] Labuschagne is a lawyer by training.[2] He served in the South African foreign service during apartheid.
In the 2004 general election, Labuschagne was elected to a DA seat in the National Assembly, ranked sixth on the party's regional party list for Gauteng. He served as the DA's deputy spokesman on home affairs.[3] He left the National Assembly after the 2009 general election, when he was elected to the Gauteng Provincial Legislature;[4] he served a single term in his provincial seat too, leaving at the 2014 general election.[5]
In January 2006, Labuschagne was mugged at gunpoint outside a mall in Mamelodi while sitting in the car with local DA politician Doulien van der Merwe. Van der Merwe was shot.[6]