John Denby

John Denby may refer to:
 * James Denby, mistakenly listed as John, English footballer
 * John Denby (luger), British luger
 * John Denby (MP for Wallingford), in 1419 and 1426, MP for Wallingford (UK Parliament constituency)
 * John Denby (MP for Ludgershall), in 1421 and 1423, MP for Ludgershall (UK Parliament constituency)