| Election Name: | 1986 Havering London Borough Council election |
| Type: | parliamentary |
| Previous Election: | 1982 Havering London Borough Council election |
| Previous Year: | 1982 |
| Next Election: | 1990 Havering London Borough Council election |
| Next Year: | 1990 |
| Seats For Election: | All 63 seats to the Havering London Borough Council |
| Majority Seats: | 32 |
| Image1: | CON |
| Party1: | Conservative Party (UK) |
| Seats1: | 28 |
| Seat Change1: | 9 |
| Party2: | Labour Party (UK) |
| Seats2: | 20 |
| Seat Change2: | 8 |
| Image4: | RES |
| Party4: | Residents Association |
| Seats4: | 10 |
| Seat Change4: | 1 |
| Image5: | LIB |
| Party5: | SDP–Liberal Alliance |
| Seats5: | 5 |
The 1986 Havering Council election took place on 8 May 1986 to elect members of Havering London Borough Council in London, England. The whole council was up for election and the council went in no overall control.
The 1986 election used the ward boundaries established in 1978 for the third time. 63 councillors were elected from 25 wards. Each ward returned two or three councillors.
Polling took place on 8 May 1986.
The Conservative Party lost nine seats and their majority on the council.[1] [2] [3] Eight seats went from Conservative to Labour in Brooklands, Elm Park, Hylands, Mawney and Oldchurch wards. Residents gained two seats from the Conservatives in South Hornchurch and one seat went the other way in Upminster. This gave the Conservative Party 28 councillors, the Labour Party 20, and the Residents Association 10 councillors, with an increase of one seat. The SDP–Liberal Alliance candidates held their five seats in Chase Cross and Rainham wards.
The following by-elections took place between the 1986 and 1990 elections: