Edwin L. Stohlman Jr., 57, the owner and president of car dealerships in Alexandria who was active in professional organizations, died of cancer March 19 in Georgetown University Hospital. He lived in Chevy Chase.

Mr. Stohlman was head of Stohlman Oldsmobile, Stohlman Datsun-Saab and the Columbia Leasing Corp., all in Alexandria. He was chairman of the Oldsmobile National Dealer Council and a past president of the Automotive Trade Association of the National Capital Area. He was the recipient of the Sports Illustrated "Dealer of Distinction" award, and the Time Quality Dealer Award.

He was a director of the Better Business Bureau of Metropolitan Washington, and past director of both the Alexandria Chamber of Commerce and Kiwanis Club of Washington. He was a past president of the Hamlet Citizens Association and was a member of the Columbia and Rehoboth Beach country clubs.

Mr. Stohlman was a native of Washington and a graduate of St. John's College High School. He earned a bachelor's degree in electrical engineering from the University of Maryland. He served with the Army during World War II. He was associated with his father and a brother in Stohlman Chevrolet from 1947 until leaving to form Stohlman Oldsmobile in 1968.

Survivors include his wife, the former Joan Marie Darby, of Chevy Chase; two sons, Edwin L. III, of Fairfax, and James W., of Chevy Chase; two daughters, Jeanette M. Stohlman of Silver Spring and Joyce E. Stohlman of Towson, Md.; two brothers, Richard H., of Bethesda, and Thomas J., of Washington, and three grandchildren.