| Election Name: | 1999 South Ayrshire Council election |
| Country: | Scotland |
| Type: | parliamentary |
| Ongoing: | no |
| Previous Election: | 1995 South Ayrshire Council election |
| Previous Year: | 1995 |
| Next Election: | South Ayrshire Council election, 2003 |
| Next Year: | 2003 |
| Party1: | Scottish Labour Party |
| Seats Before1: | 21 |
| Seats1: | 17 |
| Seat Change1: | 4 |
| Popular Vote1: | 24,263 |
| Percentage1: | 41.1% |
| Swing1: | 18.0% |
| Party2: | Scottish Conservative Party |
| Seats Before2: | 4 |
| Seats2: | 13 |
| Seat Change2: | 9 |
| Popular Vote2: | 20,907 |
| Percentage2: | 35.4% |
| Swing2: | 7.1% |
| Seats For Election: | All 30 seats to South Ayrshire Council |
| Majority Seats: | 16 |
See main article: 1999 Scottish local elections.
Elections to South Ayrshire Council area were held on 6 May 1999, alongside elections to the Scottish Parliament. Elections were held for all 30 seats. With a majority in the election, Labour won.