| Movement for Socialism | |
| Native Name: | Movimiento al Socialismo |
| Abbreviation: | MAS |
| Foundation: | 1982 |
| Dissolution: | 2003 |
| Ideology: | Trotskyism Marxism Anti-capitalism |
| Position: | Left-wing |
| Country: | Argentina |
The Movement for Socialism (Spanish: Movimiento Al Socialismo, MAS) was a Trotskyist political party in Argentina. It was founded in 1982 and led by Nahuel Moreno until his death, in 1987.[1] It dissolved in 2003.