| Election Name: | 1977 Dorset County Council election |
| Country: | Dorset |
| Type: | Local government |
| Ongoing: | no |
| Party Colour: | yes |
| Previous Election: | 1973 Dorset County Council election |
| Previous Year: | 1973 |
| Next Election: | 1981 Dorset County Council election |
| Next Year: | 1981 |
| Seats For Election: | All 91 seats of Dorset County Council |
| Majority Seats: | 67 |
| Election Date: | 5 May 1977 |
| Party1: | Conservative Party (UK) |
| Seats1: | 79 |
| Seat Change1: | 19 |
| Party2: | Independent (politician) |
| Seats2: | 4 |
| Seat Change2: | 3 |
| Party3: | Labour Party (UK) |
| Seats3: | 4 |
| Seat Change3: | 9 |
| Council control | |
| Posttitle: | Council control after election |
| Before Election: | Conservative |
| After Election: | Conservative |
Elections to Dorset County Council were held on Thursday, 5 May 1977. The whole council of 91 members was up for election and the result was that the Conservatives comfortably retained their control, winning seventy-nine seats, a gain of 19, of which nine were from Labour and seven from the Liberals. Labour, the Liberals, and the Independents ended with only four county councillors each.[1]
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