Robert Louis Dreyfus
- Category : 1946-births
- Type : ME
- Profile : 1/3 - Investigating / Martyr
- Definition : Single
- Incarnation Cross : RAX Eden 2
French businessman, who had major success as Chief Executive Officer (CEO) of Adidas-Salomon and Saatchi & Saatchi. He was a majority shareholder of the French football team Olympique de Marseille, and during his tenure they re-emerged as a major European football club. He died of leukemia on 4 July 2009.