| Syed Haider Ali | |
| Native Name: | সৈয়দ হায়দার আলী |
| Office: | Member of 1st Jatiya Sangsad |
| Term Start: | 1973 |
| Term End: | 1976 |
| Constituency: | Pabna-2 |
| Predecessor: | M. A. Matin |
| Successor: | M. A. Matin |
| Birth Place: | Sirajganj, Pabna District, Bengal Presidency |
| Death Place: | Gulshan, Dhaka, Bangladesh |
| Party: | Awami League |
Syed Haidar Ali (Bengali: সৈয়দ হায়দার আলী; died 3 January 2013) was a Bangladeshi politician, businessman and freedom fighter. He was the former Member of Parliament of Pabna-2.
Syed Haidar Ali was born in as the youngest son of Syed Akbar Ali, in Sirajganj, then part of the Pabna District. Ali belonged to a Bengali Muslim family of Syeds. He had two sons and one daughter. His son-in-law, Syed Shahed Reza, was the Bangladeshi Ambassador to Kuwait.
Ali was active in the six point movement and Bengali language movement, and took part in the Bangladesh Liberation War of 1971. He was elected to parliament from Pabna-2 as an Awami League candidate following the 1973 Bangladeshi general elections.[1]
He established the Syed Akbar Ali High School in the village of Chandidasganti.[2]
Ali died at his own home in Gulshan on 3 January 2013.[3]