Biman B. Nath (born 1964) is an educator, scientist, cosmologist, astrophysicist, and bilingual author from Bangalore, India.

He is currently a professor in Astronomy and Astrophysics at Raman Research Institute, Bangalore, India.

He was a visiting professor at the Joint Institute for Laboratory Astrophysics, University of Colorado in 2004.

He has received the Vikram Sarabhai research award for space science in 2005.

[9][10] He also wrote columns for national papers such as Indian Express,[11] [12] The Hindu,[13] and other newspapers.