John or Jon Bryant may refer to:
Academia and science John B. Bryant (1947–2020), American economist John Collins Bryant (1821–1901), American physician, author and college co-founder John Harland Bryant (1925–2017), American physician John Henry Bryant (politician) (1825–1903), American medical doctor and member of the Los Angeles Common Council John Henry Bryant (British physician) (1867–1906)
Arts and entertainment John Delavau Bryant (1811–1877), American poet and physician John Bryant (harpist) (1832–1926), Welsh harpist John Bryant (journalist) (1943–2020), British journalist and marathon founder Jon Bryant (born 1986), Canadian singer-songwriter John Bryant (actor) (1916–1989) American actor of stage, film, and television
Government and politics John Bryant (Oklahoma politician) (1957–2011), American politician John Emory Bryant (1836–1900), American politician in Georgia John Hope Bryant (born 1966), author, poverty eradication activist John R. Bryant, state legislator in North Carolina John Wiley Bryant (born 1947), American politician in Texas
Sports John Bryant (basketball) (born 1987), American basketball player John Bryant (journalist) (1944–2020), British marathon founder John Bryant (sailor) (1930–2023), American Olympic sailor John Bryant (sport shooter) (1930–2010), Australian Olympic shooter John Bryant (rugby union) (born 2003), Australian rugby union player Jon Bryant (rugby union) (born 1976), Welsh rugby union player
Others John A. Bryant, Australian businessman, former chairman and CEO of Kellogg Company John Richard Bryant (born 1943), bishop of the African Methodist Episcopal Church John W. Bryant (born 1949), leader of the Mormon fundamentalist sect Church of Christ Patriarchal