Serajul Alam Khan (also known as "Dada" and "Dadabhai"; born January 6, 1941) is a Bangladeshi political analyst, philosopher and writer. He is one of the founders of Swadhin Bangla Biplobi Parishad (English: Independent Bengal Revolutionary Council), a secret organisation of Chhatra League, which played a significant role in the Bangladesh Liberation War. He along with Tofael Ahmed, Sheikh Fazlul Haque Moni and Abdur Razzaq formed and commanded Mujib Bahini (aka BLF).