| Birth Date: | 2 April 1901 |
| Birth Place: | Tarbes, France |
| Height: | 188 cm |
| Weight: | 76 kg |
| Sport: | Athletics |
| Event: | Sprint, hurdles, long jump, decathlon |
| Club: | Bordeaux EC Ecole de Joinville |
| Pb: | 100 m – 10.8 (1926) 110 mH – 14.8 (1928) LJ – 7.06 m (1923) |
| Show-Medals: | yes |
Gabriel Sempé (2 April 1901 – 24 February 1990) was a French athlete. He competed in the 110 m hurdles at the 1924 and 1928 Summer Olympics, but failed to reach the finals; in 1924 he also did not finish his decathlon programme.