The 1987 Horsham District Council election took place on 7 May 1987 to elect members of Horsham District Council in England.[1] It was held on the same day as other local elections. The Conservatives retained control of the council with 33 seats, a majority of 12. The SDP–Liberal Alliance won 6 seats and Independents won 4.
| Election Name: | 1987 Horsham District Council election |
| Country: | England |
| Type: | Parliamentary |
| Ongoing: | no |
| Party Colour: | yes |
| Previous Election: | 1983 Horsham District Council election |
| Previous Year: | 1983 |
| Next Election: | 1991 Horsham District Council election |
| Next Year: | 1991 |
| Seats For Election: | All 43 seats to Horsham District Council |
| Majority Seats: | 22 |
| Election Date: | 7 May 1987 |
| Party1: | Conservative Party (UK) |
| Seats1: | 33 |
| Seat Change1: | 2 |
| Party2: | SDP–Liberal Alliance |
| Seats2: | 6 |
| Seat Change2: | 4 |
| Party3: | Independent politician |
| Seats3: | 4 |
| Seat Change3: | 1 |
Prior to the election, the composition of the council was:
| 35 | 5 | 2 | |
| Con | Ind | All |
After the election, the composition of the council was:
| 33 | 6 | 4 | |
| Con | All | Ind |