Wilbert H. Pearson, 60, who was an officer in the International Communication Agency and its predecessor agency for 25 years, died Thursday at his Bethesda home after a heart attack.

Mr. Pearson had been chief of the Media staff of the Agency's Motion picture and Television Service since 1963. He also had been the officer who helped administer treaties governing the export and import of educational firms.

He came to Washington in 1949 when he became a foreign service officer with the State Department. He joined the old U.S. Information Agency in 1954.

Mr. Pearson had been an American delegate to UNESCO conferences in Italy, France, and Switzerland, and had served as a consultant to that organization from 1967 to 1968.

He was a native of New Orleans and grew up in Los Angeles. He was a graduate of the Unversity of California at Berkeley.

During World II, he served as a flight instructor with the Army Air Corps.

He had been president of the Washington Film Council from 1965 to 1966, and a member of the Council on International Nontheatrical Events (CINE).

He is survived by his wife, Joan, of the home; a daughter. Marin P. Allen, of Silver Spring: three sons, William J., of McLean; Herbert C., of Bowie, and Paul W., of Bethesda, and three grandchildren.