- Idle, Joseph Henry
- Ilbert, Courtenay Peregrine
- Imrie, Charles William
- Ince, Henry Bret
- Inderwick, Frederick Andrew
- Ingham, Sir James Taylor
- Ingham, Robert Wood
- Ingham, Theophilus Hastings
- Ingham, William James Wright
- Inglis, George Deas
- Ingpen, Arthur Robert
- Ingram, Thomas Dunbar
- Ingram, Thomas Lewis
- Ingram, William James
- Ings, Edward
- Brodie-Innes, John William
- Innes, (Hon.) Sir Joseph George Long
- Rose-Innes, Patrick
- Inverarity, John Duncan
- Iohnson, Francis Dixon
- Iorns, Richard William
- Clayfield-Ireland, Dennis
- Clayfield-Ireland, James Clayfield
- Ireland, John Hilton
- Iriye, Nobushigé
- Irvine, Francis Hugh
- Irvine, Pearson Robert
- Irving, Clark Arthur
- Cavan-Irving, Herbert
- Irwin, Thomas Lennox
- Isaacson, Cecil
- Isaacson, Frederick John Francis Wootton
- Ismay, Stanley
- Ivers, Ferdinand Francis
- Izard, Charles Beard
- Izard, Charles Hayward
- Izard, William
