Oliver Whitwell Wilson, 76, a retired intelligence analyst with the Defense Intelligence Agency, died Thursday at his home in Arlington after a heart attack.

He had worked with agency in a civilian capacity from 1946 until retiring in 1971. He was a member of a group that received a presidential commendation from President John F. Kennedy for its work during the Cuban missile crisis.

Born in Shepperton-on-Thames, England, Mr. Wilson came to this country in 1919. He graduated from Columbia University's School of Architecture in 1924.

He worked as an architect in New York City until coming to Washington in 1941 as a civilian architect with the Army Corps of Engineers.

Mr. Wilson was a member and past president of the Federal Poets of Washington. He wrote more than 950 poems, many of them published in anthologies.

He was a former deacon and elder of the First Presbyterian Church of Arlington and belonged to the American Society of Military Engineers.

Mr. Wilson was secretary to the executive board of the Senior Citizens Day Care Center in Arlington. He wrote a column on senior citizen affairs for the Arlington News.

He is survived by his wife, Marjorie J., of the home; two sons, Robert W., of University Partk and Victor S., of Silver Spring; two brothers, Christopher W., of Runaway Bay, Jamaica, and Dr. David A.W., of Rye, N.Y., and two sisters, Theodora McCurdy, of Tubac, Ariz., and Elizabeth White, of Salisbury, Conn.