Syed Hasanur Rahman (born 19 April 1969) is a Bengali singer-songwriter,and lead vocalist of the Bangladeshi popular Rock band Ark.

Possessing a distinctive and powerful wide-ranging high pitch voice,[5] Hasan has been named one of the best vocalist of bangladeshi band music history.

[4] But after two years he formed Janmabhumi, though in late 2010 Hasan re-joined the band Ark.

In 1989–90, Hasan was admitted to a certificate course on folk music at Bulbul Lalitakala Academy.

The couple have a son (Hasin) and a daughter (Nurjahan), all currently living in Lalmatia, Dhaka.