1968 United States Senate election in New Hampshire

The 1968 United States Senate election in New Hampshire took place on November 5, 1968. Incumbent Republican Senator Norris Cotton won re-election to a third full term.

Primary elections
Primary elections were held on September 10, 1968.

Candidates

 * John W. King, incumbent Governor of New Hampshire

Candidates

 * Norris Cotton, incumbent United States Senator
 * John C. Mongan, former Mayor of Manchester, New Hampshire