Elections to Newtownabbey 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 21 councillors.

Note: "Votes" are the first preference votes.

1973: 4 x UUP, 1 x DUP 1977: 3 x UUP, 1 x DUP, 1 x Alliance 1973-1977 Change: Alliance gain from UUP 1973: 2 x UUP, 1 x Alliance, 1 x NILP, 1 x Loyalist, 1 x United Loyalist 1977: 2 x UUP, 1 x DUP, 1 x Alliance, 1 x Newtownabbey Labour, 1 x Loyalist 1973-1977 Change: DUP gain from United Loyalist, NILP joins Newtownabbey Labour 1973: 3 x UUP, 1 x Alliance, 1 x DUP 1977: 2 x Alliance, 1 x UUP, 1 x DUP, 1 x UPNI 1973-1977 Change: Alliance and UPNI gain from UUP (two seats) 1973: 3 x UUP, 1 x Alliance, 1 x DUP 1977: 2 x Alliance, 2 x UUP, 1 x DUP 1977-1981 Change: Alliance gain from UUP