Admiral Stewart
- Alexander Stewart, Duke of Albany
- Charles Gage Stuart
- Charles Stewart (American Navy officer)
- Charles Stewart (Royal Navy officer)
- Charles Stewart, 3rd Duke of Richmond
- Francis Stewart, 5th Earl of Bothwell
- George Stewart, 8th Earl of Galloway
- Houston Stewart
- James P. Stewart
- James Steuart (Royal Navy officer)
- James Stewart, 1st Duke of Richmond
- Keith Stewart
- Keith Stewart (1814-1879)
- Lord George Stuart
- William Houston Stewart