Tanzir Chowdhury Tuhin (born 26 September 1974) is a Bangladeshi musician, singer-songwriter, actor, painter, and architect,[1] best known as a longtime member of the independent music group Shironamhin.

Amid personal conflict,[4] Tuhin left Shironamhin in 2017[1] and form a new band named Avash at the end of that year.

[3] In 2014, Tuhin has taken part as host for BBC's reality television series Amrai Pari to raising public awareness about combat extreme weather.

He got higher secondary from Dhaka College, and afterwards studied in the Bangladesh University of Engineering and Technology in Architecture.

[11] For the first several years, when was in fifth standard in school, Tuhin learned Nazrul Geeti and classical music from Bulbul Lalitakala Academy, where Narayan Chandra Basak, Akhtar Sadmani, Kiran Chandra Roy, Rafiqul Islam, Tapan Mahmud, and the legendary Ustad Niaz Mohammad Chowdhury were his music masters.

[18][19] Tuhin made his acting debut in Madharatrite Tinjon Durbhaga Torun, a television film adaptation of the story of the same name by Muhammed Zafar Iqbal.

A solo painting exhibition of his was held in Alliance Française de Dhaka, Dhanmondi in the year 2000.