Syed Hasan Ahmad (born 1 February 1936) is a retired Bangladeshi diplomat and a former ambassador of Bangladesh to the United States.

[1] From 9 September 1992 to 14 August 1996, Ahmad served as the Ambassador of Bangladesh to Luxembourg and the European Union.

[3] On 24 January 2003, he met with Michael Garcia, Commissioner of Immigration and Naturalization Service, and expressed his concerns over the treatment of Bangladeshi citizens in the United States.

[5] Ahmad while ambassador wrote a letter to Prime Minister Khaleda Zia on 8 December 2003 seeking her intervention in the arrest of a businessman in Moulvibazar, who risked being tortured in custody according to Amnesty International.

[6][7] In July 2004, Ahmed met with Charles B Rangel, U.S. House of Representatives from New York, to discuss Bangladesh getting duty-free access for the garment industry; point out that African LDCs enjoy duty free benefit but not Asian LDCs.