John Calvert

John Calvert may refer to:

• John Calvert (1726–1804), British politician, MP for Tamworth, Wendover and Hertford
• John Calvert (died 1844) (c. 1758–1844), British politician, MP for Tamworth, Huntingdon, St Albans and Malmesbury
• John Calvert (magician) (1911-2013), American magician
• John Calvert (radio), radio commercials producer and voiceover artist
• John Calvert Griffiths, Attorney General of Hong Kong
• John Calvert (scholar), US scholar of Islamism at Creighton University