1978 United States Senate election in New Hampshire

The 1978 United States Senate election in New Hampshire took place on November 7, 1978. Incumbent Democratic Senator Thomas J. McIntyre ran for re-election to a fourth term but was defeated by Republican Gordon J. Humphrey.

Candidates

 * Raymond J. Coughlan, former U.S. Navy captain
 * Thomas J. McIntyre, incumbent Senator

Candidates

 * Carmen Chimento, perennial candidate
 * Gordon J. Humphrey, professional pilot and conservative activist
 * Alf E. Jacobson, State Senator from New London
 * James Masiello, businessman and former Mayor of Keene