Shamsur Rahman Khan Shahjahan (died 2 January 2012) was a Bangladesh Awami League politician and the former Jatiya Sangsad member from Tangail-3 constituency.
Shahjahan fought in the Bangladesh Liberation war in Tangail district as a member of the Mukti Bahini. He was elected to parliament from Tangail-3. He was the President of Tangail district unit of Bangladesh Awami League.
Shahjahan died on 2 January 2012. His nephew Amanur Rahman Khan Rana and brother Ataur Rahman Khan elected to parliament from his constituency.