Daniel Cohen, 56, chief of the surveillance and evaluation division of the Agency for International Development, died of a heart attack Nov. 16 in Cairo, Egypt, where he was on assignment.

He joined AID here in 1960 as chief of the industrial raw materials section in the financial review division. He had held a number of positions with the agency since then.

Mr. Cohen was born in Brooklyn, N.Y. He attended Brooklyn College and graduated from New York University, where he also took postgraduate work.

He later took graduate studies at American University here and Columbia University.

He came to Washington in 1948 as a price economist with the Bureau of Labor Statistics. He then worked for the Office of Price Stabilization, was an analytical statistician with the Defense Department and an economist at the Agriculture Department.

Mr. Cohen served in the Army in the Pacific in World War II and was awarded the Bronze Star. He had received a Meritorious Service Award from the State Department for his work with AID.

He was a member of the board of directors and the board of trustees of Har Tzeon-Agudath Congregation in Wheaton and was congregation president in 1971 and 1972. He also was on the Consolidated Board of Jewish Education for Har Tzeon and Ohr Kodesh.

He is survived by his wife, the former Louise Pincus, and theree children, Cheryl, Maxine and Harvey, of Silver Spring; another daughter, Elaine Krevor of Gaithersburg, and two brothers, Albert, of New York City, and Robert, of Silver Spring.