Roy Walter Riehlman (August 26, 1899 – July 16, 1978) was an American businessman and member of the United States House of Representatives from New York.

He was raised in Tully, graduated from Manlius Military Academy in 1919 and Central City Business School of Syracuse in 1921.

Riehlman was also active in civic affairs and several local businesses, including serving on the advisory board of the Marine Midland Trust Company and the area board of directors of Virginia's Lynchburg College.

In 1952 Riehlman was one of the Republicans who visited Dwight D. Eisenhower, then commander of the North Atlantic Treaty Organization, to ask him to consider running for President.

[6] Riehlman was an unsuccessful candidate for reelection in 1964, losing his seat in that year's Johnson Landslide.