| Fullname: | Dewan Mohammad Sirajuddin Siru |
| Birth Date: | 1 January 1951[1] |
| Birth Place: | Dhaka, East Bengal, Pakistan (present-day Bangladesh) |
| Death Date: | [2] |
| Death Place: | Dhaka, Bangladesh |
| Position: | Centre-back |
| Years1: | 1966 |
| Clubs1: | East End Club |
| Years2: | 1967–1968 |
| Clubs2: | Pakistan Sporting |
| Years3: | 1969–1971 |
| Clubs3: | East End Club |
| Years4: | 1972–1977 |
| Clubs4: | Victoria SC |
| Nationalyears1: | 1971 |
| Nationalteam1: | Shadhin Bangla |
Dewan Mohammad Sirajuddin (Bengali: দেওয়ান মোহাম্মদ সিরাজউদ্দিন; 2 March 1943 – 7 October 201), known by his nickname Siru, was a Bangladeshi football player who represented the Shadhin Bangla football team, during the Bangladesh Liberation War.[3]
Siru was born in Matuail area of Dhaka, on 1 January 1951.[1]
Siru began his football career with East End Club in the Dhaka Second Division League in 1966.[4]
He captained Victoria Sporting Club during the 1975 Dhaka First Division League.[1]
A few months before the Bangladesh Liberation War, he was undergoing training in the East Pakistan Army before joining the Shadhin Bangla football team.[1]
Siru died on 3 March 2013 at Gulbagh at the age of 62. He was paralyzed after a stroke two years ago. He was buried at the Matuail Graveyard.