1980 East Coast Bays by-election

1980 East Coast Bays by-election

6 September 1980
Turnout18,611 (63.64%)
 
Candidate Gary Knapp Don Brash Wyn Hoadley
Party Social Credit National Labour
Popular vote 8,061 7,110 3,296
Percentage 43.31 38.20 17.71

Member before election

Frank Gill
National

Elected Member

Gary Knapp
Social Credit

The East Coast Bays by-election of 1980 was a by-election during the 39th New Zealand Parliament in the East Coast Bays electorate. It resulted in an upset for the National Party, as their candidate and future leader Don Brash was unexpectedly beaten by Gary Knapp of the Social Credit Party.