| Election Name: | 1998 Southwark Council election |
| Type: | parliamentary |
| Ongoing: | no |
| Previous Election: | 1994 Southwark London Borough Council election |
| Previous Year: | 1994 |
| Next Election: | 2002 Southwark London Borough Council election |
| Next Year: | 2002 |
| Seats For Election: | All 64 seats up for election to Southwark London Borough Council |
| Turnout: | 53,202, 32.89% (4.64) |
| Party1: | Labour Party (UK) |
| Seats1: | 33 |
| Seat Change1: | 1 |
| Popular Vote1: | 58,887 |
| Percentage1: | 46.28% |
| Party2: | Liberal Democrats (UK) |
| Seats2: | 27 |
| Popular Vote2: | 46,288 |
| Percentage2: | 36.37% |
| Council Control | |
| Before Party: | Labour Party (UK) |
| Posttitle: | Council Control |
| After Party: | Labour Party (UK) |
| Party3: | Conservative Party (UK) |
| Seats3: | 4 |
| Seat Change3: | 1 |
| Popular Vote3: | 16,664 |
| Percentage3: | 13.10% |
| Before Election: | . |
| Swing1: | 1.28 |
| Swing2: | 2.79 |
| Swing3: | 0.53 |
| Registered: | 161,781[1] |
| Majority Seats: | 33 |
| Leader1: | Niall T. Duffy |
| Leader Since1: | 1997 |
| Leaders Seat1: | Rye |
| Last Election1: | 34 seats, 47.56% |
| Country: | London |
| Leader2: | Unknown |
| Leader Since2: | Unknown |
| Leaders Seat2: | Unknown |
| Last Election2: | 27 seats, 39.16% |
| Leader3: | Unknown |
| Leader Since3: | Unknown |
| Leaders Seat3: | Unknown |
| Last Election3: | 3 seats, 12.57% |
Elections to Southwark Council were held on 7 May 1998. The whole council was up for election. Turnout was 32.9%.
(*) - Indicates an incumbent candidate
(†) - indicates an incumbent candidate standing in a different ward