| Pierre Alonzo | |
| Birth Date: | 23 March 1940 |
| Birth Place: | Meknes, French Morocco |
| Position: | Midfielder |
| Clubs1: | Aïn-Temouchent |
| Clubs2: | Avellaneda |
| Clubs3: | Perpignan |
| Clubs4: | Red Star |
| Years5: | 1965–1967 |
| Clubs5: | Cannes |
| Caps5: | 26 |
| Goals5: | 0 |
| Years6: | 1967–1973 |
| Clubs6: | Menton |
| Managerclubs1: | Saint-Tropez |
| Manageryears2: | 1978 |
| Managerclubs2: | Paris Saint-Germain |
| Manageryears3: | 1979 |
| Managerclubs3: | Paris Saint-Germain |
| Manageryears4: | 1980–1981 |
| Managerclubs4: | Périgueux |
| Manageryears5: | 1989 |
| Managerclubs5: | Nice |
Pierre Alonzo (23 March 1940 – 18 September 2024) was a French football player and manager. As a player, he was a midfielder, playing for Aïn-Temouchent, Avellaneda, Perpignan, Red Star, Cannes, and Menton. After retiring, he went on to coach Saint-Tropez, Paris Saint-Germain, Bordeaux, Périgueux, and Nice.[1]
Alonzo died on 18 September 2024, at the age of 84.[2] He was the father of goalkeeper Jérôme Alonzo.[3]