| Election Name: | 1982 Peckham by-election |
| Type: | parliamentary |
| Country: | United Kingdom |
| Seats For Election: | Constituency of Peckham |
| Ongoing: | no |
| Previous Election: | 1979 United Kingdom general election |
| Previous Year: | 1979 |
| Next Election: | 1983 United Kingdom general election |
| Next Year: | 1983 |
| Election Date: | 28 October 1982 |
| Candidate1: | Harriet Harman |
| Party1: | Labour Party (UK) |
| Popular Vote1: | 11,349 |
| Percentage1: | 50.34% |
| Swing1: | 9.51% |
| Candidate2: | Dick Taverne |
| Party2: | Social Democratic Party (UK) |
| Popular Vote2: | 7,418 |
| Percentage2: | 32.91% |
| Swing2: | 25.25% |
| Candidate3: | John Redwood |
| Party3: | Conservative Party (UK) |
| Popular Vote3: | 2,800 |
| Percentage3: | 12.42% |
| Swing3: | 15.65% |
| Map Size: | 200px |
| MP | |
| Before Election: | Harry Lamborn |
| Before Party: | Labour Party (UK) |
| After Election: | Harriet Harman |
| After Party: | Labour Party (UK) |
The 1982 Peckham by-election of 28 October 1982 was held after the death of Labour Member of Parliament (MP) Harry Lamborn on 21 August 1982. The seat was retained for Labour by Harriet Harman.
Note: The change in the Social Democrat vote is calculated against the votes won by the Liberal Party at the 1979 general election, as the two parties had formed the SDP-Liberal Alliance.