Coles was an electoral district of the House of Assembly in the Australian state of South Australia from 1970 to 2002. The district was based in the eastern suburbs of Adelaide. Coles was first contested at the 1970 election and was won by Labor's Len King as a marginal seat. King increased the Labor two-party margin to a fairly safe 9.2 percentat the 1973 election. Coles was abolished and renamed Morialta ahead of the 2002 election.