John Austin may refer to:
- John Austin (1613–1669), English Catholic writer
- John Austin (highwayman) (died 1783), noted for having been the last person hanged on the famous gallows at Tyburn, London
- John Austin (Jesuit) (1717–1784), Irish Jesuit
- John Austin (inventor) (1752–1830), Scottish inventor of musical equipment
- John Austin (legal philosopher) (1790–1859), legal and political theorist who wrote The Province of Jurisprudence Determined
- John Austin (soldier) (1801–1833), active in early settlement of Mexican Texas
- Sir John Austin, 1st Baronet (1824–1906), British politician, MP for Osgoldcross, 1886–1906
- John Gardiner Austin, colonial secretary of Hong Kong
- John Arnold Austin (1905–1941), warrant officer in the United States Navy
- Johnny Austin (1910–1983), U.S. musician
- J. L. Austin (John Langshaw Austin, 1911–1960), philosopher of language who wrote How to do Things with Words
- John Austin (author), British author specializing in WWII propaganda
- John P. Austin, American set decorator
- John Austin (bishop) (1939–2007), bishop of Aston
- John Austin (politician) (born 1944), British Labour Party politician, MP since 1992
- John Austin (basketball) (born 1944), U.S. former professional basketball player
- John Austin (tennis player) (born 1957), former professional tennis player
- John Austin (artist), British railway artist
- John Alexander Austin (1912–1984), Canadian aviator
- John C. Austin (1870–1963), architect and civic leader in Southern California
- John Beech Austin (1917–2012), British aviator in World War II
Famous quotes containing the words john and/or austin:
“Thou hast brought him a pardon from good King John.”
—Unknown. King John and the Abbot of Canterbury (l. 108)
“Time goes, you say? Ah, no!
Alas, Time stays, we go.”
—Henry Austin Dobson (18401921)