Belgian Prime Ministers: 1 prime minister
Prosper Poullet   1925-1926  
Haitian Presidents: 1 president
(president) Prosper Avril   1988-1990  
Notable Artists: 1 cartoonist
Hergé (middle name Prosper)   1907-1983  
Notable Athletes: 1 cricket
(cricket) Prosper Utseya   1985-  
Notable Scientists and Inventors: 1 physician
Prosper Menière   1799-1862  
Notable Writers: 1 author
Prosper Mérimée   1803-1870  
Saints: 2 saints
Saint Prosper of Aquitaine   403-463  
Saint Prosper of Reggio   ?-466