| Election Name: | 1990 Lothian Regional Council election |
| Country: | Scotland |
| Type: | parliamentary |
| Ongoing: | no |
| Previous Election: | 1986 Lothian Regional Council election |
| Previous Year: | 1986 |
| Next Election: | 1994 Lothian Regional Council election |
| Next Year: | 1994 |
| Seats For Election: | All 49 seats to Lothian Regional Council |
| Majority Seats: | 25 |
| Turnout: | 50.2% |
| Party1: | Scottish Labour |
| Last Election1: | 30 |
| Seats1: | 34 |
| Seat Change1: | 4 |
| Popular Vote1: | 124,886 |
| Percentage1: | 42.1% |
| Party2: | Scottish Conservatives |
| Last Election2: | 13 |
| Seats2: | 12 |
| Seat Change2: | 1 |
| Popular Vote2: | 75,665 |
| Percentage2: | 25.6% |
| Party3: | Scottish Liberal Democrats |
| Last Election3: | 3 |
| Seats3: | 2 |
| Seat Change3: | 1 |
| Popular Vote3: | 29,728 |
| Percentage3: | 10.1% |
| Party4: | Scottish National Party |
| Last Election4: | 2 |
| Seats4: | 1 |
| Seat Change4: | 1 |
| Popular Vote4: | 54,327 |
| Percentage4: | 18.4% |
| Party5: | Independent (politician) |
| Last Election5: | 1 |
| Seats5: | 0 |
| Seat Change5: | 1 |
| Percentage5: | % |
| Map Size: | 330px |
| Council control | |
| Posttitle: | Council control after election |
| Before Party: | Scottish Labour |
| After Party: | Scottish Labour |
The fourth election to the Lothian Regional Council was held on 3 May 1990 as part of the wider 1990 Scottish regional elections. The result saw Labour strengthening their position on the council.