Name
- Grand Vizier of the Ottoman Empire, 1320-19081
- Grantham, ship, 1724-17441
- HM Treasury, 12th century-1
- HM's Indian Navy, 1830-18631
- HMS Howe, ship, 1799-18051
- HMS Medea, frigate, 1778-18051
- Hakim of Zanzibar, 1698-18401
- Hamilton, Alexander, East India Company servant and writer, fl 1688-17331
- Hanover, ship, 1712-17241
- Harcourt, ship, 1752-17631
- Heathcote, ship, 1720-17321
- Hector, ship, 1750-17661
- Hindi, Mua'llim 'Ali Sahib, maritime pilot, fl 18101
- Hope, ship, 1613-16221
- Hosiander, ship, 1611-16171
- Houghton, ship, 1724-17361
- Houghton, ship, 1751-17641
- Howland, ship, 1699-17131
- Hugh Lindsay, ship, 1829-18591
- Ilchester, ship, 1745-17591