Elections to Craigavon Borough Council were held on 18 May 1977 on the same day as the other Northern Irish local government elections.
The election used four district electoral areas to elect a total of 25 councillors.
Note: "Votes" are the first preference votes.
1973: 1 x SDLP, 1 x UUP, 1 x Alliance, 1 x DUP, 1 x Independent Nationalist 1977: 3 x SDLP, 1 x Republican Clubs, 1 x UUP 1973-1977 Change: SDLP and Republican Clubs gain from Alliance and DUP, Independent Nationalist joins SDLP 1973: 2 x UUP, 2 x Alliance, 2 x Vanguard, 1 x Independent Unionist 1977: 3 x UUP, 2 x Alliance, 1 x DUP, 1 x SDLP 1973-1977 Change: DUP and SDLP gain from Vanguard (two seats), Independent Unionist joins UUP 1973: 3 x UUP, 1 x SDLP, 1 x Alliance, 1 x Vanguard 1977: 2 x UUP, 2 x SDLP, 1 x Alliance, 1 x DUP 1973-1977 Change: SDLP and DUP gain from UUP and Vanguard 1973: 4 x UUP, 2 x DUP, 1 x Vanguard 1977: 4 x UUP, 2 x DUP, 1 x UUUP 1973-1977 Change: Vanguard joins UUUP