Revolutionary Socialist Party
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| Revolutionary Socialist Party |
- Abbreviation: RSP
- Secretary: Manoj Bhattacharya
- Founded: 19 March 1940 (80 years ago)
- Headquarters: 17, Firoz Shah Road, New Delhi – 110001 28°37′20.5″N 77°13′27.9″E
- Student wing: Progressive Students Union
- Youth wing: Revolutionary Youth Front
- Ideology: Marxism–Leninism
- Colors: Red
- ECI Status: State Party
- Alliance: United Progressive Alliance (All India) Left Front (West Bengal) United Democratic Front (2014–present) (Kerala)
- Seats in Lok Sabha: 1 / 543
- Seats in West Bengal Legislative Assembly: 3 / 294