Sayed Haider (December 1925 – 15 July 2020) was a Bangladeshi physician and Language Movement activist.
He received postgraduate diploma on public health from Punjab University.
[5] After the unrest and killing of students on 21 February 1952, students of Dhaka Medical College decided to build a monument 'Shaheed Minar' (Monument for Martyrs) in honor of the killed activists.
[5] Haider was awarded Ekushey Padak in 2016 for his contribution in language movement.
[4][8] He died on 15 July 2020 in Dhaka from reportedly late complications of the coronavirus infection.