| John Duncuft | |
| Office: | Member of Parliament for Oldham |
| Term Start: | 31 July 1847 |
| Term End: | 27 July 1852 |
| Alongside: | John Morgan Cobbett (1852–1852) William Johnson Fox (1847–1852) |
| Predecessor: | John Fielden William Augustus Johnson |
| Successor: | John Morgan Cobbett William Johnson Fox |
| Death Date: | 27 July 1852 |
| Nationality: | British |
| Party: | Peelite |
John Duncuft (died 27 July 1852) was a British Peelite politician.
Duncuft was first elected Peelite MP for Oldham in 1847, and held the seat at the next general election in 1852. However, he died just a few months later.[1]