All India Forward Bloc
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| Logo of All India Forward Bloc |
- Abbreviation: AIFB
- Chairperson: N. Velappan Nair
- Secretary: Debabrata Biswas
- Founder: Subhas Chandra Bose
- Founded: 22 June 1939 (81 years ago)
- Split from: Indian National Congress
- Headquarters: Netaji Bhavan, T-2235/2, Ashok Nagar, Faiz Road, Karol Bagh, New Delhi, India-110005
- Newspaper: Towards Socialism, Jangarjan, Lokmat
- Student wing: All India Students Bloc
- Youth wing: All India Youth League
- Ideology: Left-wing nationalism, Socialism, Anti-Imperialism, Marxism
- Political position: Left-wing
- Colors: Red
- ECI Status: State Party (West Bengal)
- Alliance: Left Front (West Bengal)
- Seats in West Bengal Legislative Assembly: 2 / 294
- Website: forwardbloc.org