| Election Name: | 1998 Westminster City Council election |
| Type: | parliamentary |
| Ongoing: | no |
| Previous Election: | 1994 Westminster City Council election |
| Previous Year: | 1994 |
| Next Election: | 2002 Westminster City Council election |
| Next Year: | 2002 |
| Seats For Election: | All 60 council seats up for election to the Westminster City Council |
| Majority Seats: | 31 |
| Turnout: | 40,398, 31.99% (14.11) |
| Leader1: | Melvyn B. Caplan |
| Party1: | Conservative Party (UK) |
| Last Election1: | 52.02%, 45 seats |
| Seats1: | 47 |
| Seat Change1: | 3 |
| Popular Vote1: | 57,067 |
| Percentage1: | 55.02% |
| Swing1: | 3.00 |
| Leader2: | Alan G. Lazarus |
| Party2: | Labour Party (UK) |
| Last Election2: | 37.30, 15 seats |
| Seats2: | 13 |
| Seat Change2: | 2 |
| Popular Vote2: | 35,059 |
| Percentage2: | 33.80% |
| Swing2: | 3.50 |
| Council control | |
| Posttitle: | Subsequent council control |
| Before Party: | Conservative Party (UK) |
| After Party: | Conservative Party (UK) |
| Party3: | Liberal Democrats (UK) |
| Last Election3: | 9.84%, 0 seats |
| Seats3: | 0 |
| Percentage3: | 9.03% |
| Country: | London |
| Registered: | 126,280[1] |
| Popular Vote3: | 9,362 |
| Swing3: | 0.81 |
| Leader Since1: | 1995 |
| Leaders Seat1: | Little Venice |
| Leader Since2: | 1 May 1997 (acting)[2] July 1997 (offficially) |
| Leaders Seat2: | Harrow Road |
| Leader3: | Unknown |
| Leader Since3: | Unknown |
| Leaders Seat3: | N/A |
The 1998 Westminster Council election took place on 7 May 1998 to elect members of Westminster City Council in London, England. The whole council was up for election and the Conservative party stayed in overall control of the council.[3]
(*) - Indicates an incumbent candidate
(†) - Indicates an incumbent candidate standing in a different ward