Shamsuddin Sikder () was a Member of the 3rd National Assembly of Pakistan as a representative of East Pakistan.
Sikder was born into a Bengali Muslim family of Shiqdars in Patuakhali, Backergunge District, Bengal Presidency.
Sikder was elected to the Bengal Legislative Assembly for Patuakhali South constituency after succeeding at the 1946 elections.
Sikder was a Member of the 3rd National Assembly of Pakistan representing Bakerganj-II.