| Honorific Suffix: | 3rd Baron Magheramorne |
| Birth Date: | 1863 12, df=y |
| Resting Place: | Brompton Cemetery |
| Education: | Radley College |
| Mother: | Caroline Elizabeth Emma Douglas-Pennant |
| Party: | Conservative party Unionist |
| Relatives: | Edward Douglas-Pennant (maternal grandfather) James McGarel-Hogg (brother) George Douglas-Pennant (uncle) |
Dudley Stuart McGarel Hogg, 3rd Baron Magheramorne (3 December 1863 - 14 March 1946) was an Anglo-Irish peer.
He was the second son of James McGarel-Hogg, 1st Baron Magheramorne and was educated at Radley College. He inherited the peerage from his brother in 1903. Like his father, Magheramorne was a Conservative and Unionist.[1]
In later life he retired to Bournemouth and was living in a nursing home in Banstead, Surrey at the time of his death. He is buried in Brompton Cemetery. The peerage was inherited by his brother.