Syed Abdul Hadi (born 1 July 1940) is a Bangladeshi singer. He won the Bangladesh National Film Award for Best Male Playback Singer five times for his playback performance in the films Golapi Ekhon Traine (1979), Sundori (1979), Koshai (1980), Goriber Bou (1990) and Khoma (1992). He is the recipient of Ekushey Padak in 2000.
Hadi was born at Shahpur village in Kasba, Brahmanbaria in the-then British India. He grew up in Agartala, at his grandfather's house, who was a lawyer of the Agartala court. He was first schooled in Umakanta Academy. His family moved to Sylhet in 1947. He completed his SSC from Annada Model High School in Brahmanbaria and, later, HSC from Dhaka College after six-month study in Carmichael College in Rangpur. He then earned his bachelor's and master's in Bengali from the University of Dhaka.
Hadi debuted as a singer for the film Ye Bhi Ek Kahani (1964).
Hadi retired from his government service job in 1998.
Hadi married Farunnahar Usha in 1966. Together they have three daughters.
A memoir of Hadi, Jiboner Gan, is written by himself. The memoir book, published by Prothoma Prakashani, a sister concern of Prothom Alo, was released on 15 February 2022.