The Rev. Donald A. Campbell, 51, senior minister of Westminister Presbyterian Church in Alexandria since 1971, died Monday in a Jamestown, N.Y., hospital after a heart attack. He was in New York on vacation.

He had belonged to the committees on ministerial relations and planning and evaluation of the National Capital Union Presbytery and was a vice president and trustee of the Presbyterian Home of the District of Columbia. Je also had been a vice moderator of the Synod of the Piedmont.

Mr. Campbell had been active on the Alexandria Hospital Corporation, the Alexandria Commission on Criminal Justice, and the United Way. He also had belonged to the Alexandria Rotary Club.

He was born in Hartford, Conn., and reared in Chapel Hill, N.C. He earned a bachelor's degree in mechanical engineering at Duke University and a master's degree in divinity at Union Theological Seminary in Richmond.

He began his ministry at Burkeville Presbyterian Church in Burkeville, Va., then served as minister of Towson Presbyterian Church in Towson, Md., and New Providence Presbyterian Church in Raphine, Va. He moved to Alexandria from Hawfields Presbyterian Church in Mebane, N.C.

Mr. Campbell had served as a Marine Corps officer in Korea during the conflict there. He attended the 1970 White House Conference on Children as a delegate from North Carolina.

He is survived by his wife, Winifred R., of the home in Alexandria; two daughters, Donna Smith, of Chapel Hill, N.C., and Linda Giorno, of Sturat, Va.; two sons, Stephen C., of Fairfax, and Timothy R., of New Jersey; a brother, G. L. Campbell, of Ottwa, iii.; a sister, Phyllis C. Barrett, of Chapel Hill, and two grandchildren.

The family suggests that expressions of sympathy be in the form of contributions to Westminister Presbyterian Church. CAPTION: Picture, THE REV. DONALD A. CAMPBELL