1968 United States Senate election in Pennsylvania

The 1968 United States Senate election in Pennsylvania was held on November 5, 1968. Incumbent Democratic U.S. Senator Joseph S. Clark Jr. sought re-election to a third term but was defeated by Republican U.S. Representative Richard Schweiker. This election marked the last time that an incumbent Senator lost re-election to this seat.

Candidates

 * Joseph S. Clark Jr., incumbent U.S. Senator since 1957
 * John Herman Dent, U.S. Representative from Greensburg

Candidates

 * Pearl Chertov (Socialist Workers)
 * Joseph S. Clark Jr., incumbent U.S. Senator since 1957 (Democratic)
 * Frank W. Gaydosh (Constitution)
 * Benson Perry (Socialist Labor)
 * Richard Schweiker, U.S. Representative from Norristown (Republican)