John Barlow

John Barlow may refer to:

Politicians

• John Barlow (died 1718), MP for Haverfordwest (UK Parliament constituency)
• John Barlow (died 1739), MP for Pembrokeshire (UK Parliament constituency)
• Sir John Barlow, 1st Baronet (1857–1932), British businessman and Member of Parliament
• Sir John Barlow, 2nd Baronet (1898–1986), British Member of Parliament 1951–1966
• John Barlow (Canadian politician), MP for Macleod (electoral district) in the Canadian House of Commons

Others

• John Barlow (diplomat), English Tudor diplomat and spy
• John Barlow (clergyman) (1799–1869), Anglican clergyman and scientist
• John Barlow (entomologist) (1872–1944), American entomologist and college administrator
• John Barlow, New Zealander convicted of murdering businessmen Gene and Eugene Thomas
• John Barlow (novelist) (born 1967), English novelist
• John Brereton Barlow, physician, see Mitral prolapse
• John Henry Barlow (1855 – 1924), Quaker "ambassador for peace"
• John Noble Barlow (1861–1916), impressionist painter
• John Peleg Barlow (1918–1985), American oceanographer
• John Perry Barlow (born 1947), digital rights activist and former lyricist for the Grateful Dead
• John W. Barlow (1838–1914), career officer in the United States Army
• John Y. Barlow (1874–1949), Mormon fundamentalist and polygamist
• F. John Barlow, American businessman and mineral collector, see Barlow Planetarium
• Sir John Barlow, 1st Baronet of Slebetch (c. 1652–1695), of the Barlow baronets