The 1978 New Brunswick general election was held on October 23, 1978, to elect 58 members to the 49th New Brunswick Legislative Assembly, the governing house of the province of New Brunswick, Canada. Richard Hatfield's Progressive Conservative Party narrowly won its third term. The Parti Acadien had its best ever showing in the election, winning 12% of the vote in the ridings where it fielded candidates, and coming within 200 votes of electing Armand Plourde in Restigouche West.