The 1966 Idaho gubernatorial election was held on November 8. Republican nominee Don Samuelson defeated Democratic nominee Cecil Andrus with 41.4% of the vote in a four-way race.
CandidatesMajor party candidates • Don Samuelson, Republican • Cecil Andrus, Democratic Other candidates • Perry Swisher, Independent, Pocatello state senator (Republican) • Philip Jungert, Independent, Lewiston businessman (Democrat) Results ==References==