| Election Name: | 1868 Wareham by-election |
| Type: | presidential |
| Country: | United Kingdom of Great Britain and Ireland |
| Flag Year: | 1868 |
| Seats For Election: | Wareham constituency |
| Ongoing: | no |
| Previous Election: | 1868 United Kingdom general election |
| Previous Year: | 1868 |
| Next Election: | 1874 United Kingdom general election |
| Next Year: | 1874 |
| Candidate1: | John Erle-Drax |
| Party1: | Conservative Party (UK) |
| Popular Vote1: | 374 |
| Candidate2: | W. M. Calcraft |
| Party2: | Liberal Party (UK) |
| Popular Vote2: | 305 |
| MP | |
| Posttitle: | Subsequent MP |
| Before Election: | John Calcraft |
| Before Party: | Liberal Party (UK) |
| After Election: | John Erle-Drax |
| After Party: | Conservative Party (UK) |
The 1868 Wareham by-election was fought on 23 December 1868. The by-election was fought due to the death of the incumbent MP of the Liberal Party, John Calcraft. It was won by the Conservative candidate John Erle-Drax.[1]