1952 United States Senate election in Maryland

The 1952 United States Senate election in Maryland was held on November 4, 1952.

Incumbent Democratic Senator Herbert O'Conor chose not to seek re-election for a second term. Republican U.S. Representative James Glenn Beall defeated Democrat George P. Mahoney to win the open seat.

Candidates

 * Lansdale G. Sasscer, U.S. Representative from Upper Marlboro
 * George P. Mahoney, paving contractor and candidate for governor in 1950
 * Stephen B. Petticord

Candidates

 * James Glenn Beall, U.S. Representative from Frostburg
 * Royden Addison Blunt
 * H. Grady Gore, lawyer and real estate investor
 * Thomas Hankinson
 * Herman L. Mills

Counties that flipped from Democrat to Republican

 * Calvert
 * Caroline
 * Howard
 * Kent
 * Montgomery
 * Prince George's
 * Wicomico
 * Worcester

Counties that flipped from Republican to Democrat

 * Somerset