| Popular Socialist Party | |
| Native Name: | Parti Socialiste Populaire |
| Colorcode: | Red |
| Leader: | Anthony Lespès Étienne Charlier |
| Foundation: | 1946 |
| Ideology: | Communism |
| Country: | Haiti |
| Abbreviation: | PSP |
| Dissolved: | 1948 |
| Newspaper: | La Nation |
| Position: | Far-left |
Popular Socialist Party (in French: Parti Socialiste Populaire) was a communist political party in Haiti. PSP was founded in 1946. It was led by Anthony Lespès, and later Étienne Charlier. PSP took part in the presidential elections of 1946.
The party was suppressed by the regime in 1948.
PSP published La Nation.