John Knill (disambiguation)

John Knill (1733–1811), was Mayor of St Ives, Cornwall, England.

John Knill may also refer to:

• Frank John Knill, British Marine, winner of the Conspicuous Gallantry Medal
• John Knill (MP) for Radnorshire
• Sir (John) Stuart Knill, 2nd Baronet (1856–1934), see Knill Baronets
• Sir John Kenelm Stuart Knill, 4th Baronet (1913–1998), see Knill Baronets