- Born
- ( 1893-10-06 ) 6 October 1893, Seoratali, Dhaka district , Bengal Presidency , British Raj
- Died
- 16 February 1956 (1956-02-16) (aged 62), New Delhi, India
- Alma mater
- Dhaka College , Dhaka Collegiate School University of Calcutta Presidency University Rajabazar Science College
- Known for
- Thermal ionisation Saha ionization equation
- Spouse
- Radha Rani Saha
- Fields
- Physics, astrophysics
- Institutions
- Allahabad University Rajabazar Science College University of Calcutta Imperial College London Indian Association for the Cultivation of Science
- Academic advisors
- Jagdish Chandra Bose Prafulla Chandra Ray
- Doctoral students
- Samarendra Kumar Mitra Daulat Singh Kothari
- Preceded by
- Position established
- Succeeded by
- Ashoke Kumar Sen
- Constituency
- Calcutta North West
- Party
- Revolutionary Socialist Party (India)