John Nash

• John Nash (architect) (1752–1835), Anglo-Welsh architect
• John Nash Round (1817–1864), English architect active in the mid-19th-century Kent
• Jolly John Nash (1828–1901), English music hall entertainer
• John Nash (artist) (1893–1977), English painter and engraver
• Johnny Nash (1940–2020), American singer-songwriter

• John Nash (MP) (1590–1661), English merchant and politician who sat in the House of Commons between 1640 and 1648
• John Nash (Australian politician) (1857–1925), New South Wales politician
• John Nash, Baron Nash (born 1949), British peer, government minister and businessman
• John Henry Nash (politician) (born 1933), South African politician
• John J. Nash (died 1989), Irish Fianna Fáil politician

• John Nash (footballer) (1867–1939), English footballer
• John Nash (cricket administrator) (1906–1977), English secretary of Yorkshire County Cricket Club, 1931–1971
• John Nash (basketball), American basketball executive
• John Victor Nash (1891–19??), Argentine Olympic bobsledder

• John Forbes Nash Jr. (1928–2015), American mathematician and Nobel laureate
• John Henry Nash (printer) (1871–1947), Canadian-American fine printer and founder of the Twentieth Century Press
• John Nash (priest) (1879–?), Archdeacon of Tuam
• John Francis Nash (1909–2004), American railroad executive

• Jack Nash (disambiguation)
• John Naish (1841–1890), lawyer and lord chancellor of Ireland

{{human name disambiguation|Nash, John}}