Results of the 1978 New South Wales state election (Legislative Assembly)

This is a list of electoral district results for the 1978 New South Wales state election.

Earlwood
Sir Eric Willis (Liberal) resigned on 16 June 1978 and Ken Gabb (Labor) won the resulting by-election, holding the seat at this election.

Willoughby
The sitting member for Willoughby, Laurie McGinty (Liberal), lost preselection and contested the election as an Independent.