John Falconer
John Falconer may refer to:
- John Falconer (merchant) (fl. 1547), English merchant and botanist
 - John Falconer (Jesuit) (1577–1656), English Jesuit
 - John Falconer (bishop) (ca. 1660–1723), Prelate of the Scottish Episcopal Church
 - John Mackie Falconer (1820–1903), etcher, painter and watercolourist
 - John Falconer (MP) (1674-1764), Member of Parliament for Kincardineshire
 - John A. Falconer (1844–1900), American soldier in the American Civil War
 - John Downie Falconer (1876–1947), Scottish geologist and geographer
 - John Ireland Falconer (1879–1954), Lord Provost of Edinburgh
 - John Falconer (footballer) (1902–1982), Scottish footballer
 - John Falconer (actor), including roles in The Pied Piper
 - John Falconer (poker player) (born c. 1955), British poker player
 - John Falconer, a character in On the Run