John McGrath may refer to:
Politicians John J. McGrath (1872–1951), U.S. representative from California John McGrath (New South Wales politician) (1893–1971), Labor member of the New South Wales Legislative Assembly John McGrath (Victorian politician) (1939–2021), National member of the Victorian Legislative Assembly John McGrath (Western Australian politician) (born 1947), Liberal member of the Western Australian Legislative Assembly
Footballers John McGrath (footballer, born 1932) (born 1932), football inside forward (Notts County and Darlington 1955–59) John McGrath (footballer, born 1938) (1938–1998), English football centre half (Bury, Newcastle and Southampton 1955–73), later manager John McGrath (Irish footballer) (born 1980), Irish footballer Jay McGrath (John-Alan McGrath, born 2003), Irish footballer
Hurlers John McGrath (Tipperary hurler) (born 1994), Irish hurler John McGrath (Westmeath hurler) (1928–1980), Irish hurler
Other sportsmen John McGrath (shot putter), winner of the 1966 USA Indoor Track and Field Championships Jack McGrath (racing driver) (1919–1955), American racecar driver John McGrath (ice hockey), Canadian ice hockey player and political advisor
Performing arts John McGrath (artistic director) (born 1962), British artistic director and CEO of Manchester International Festival John McGrath (playwright) (1935–2002), Liverpudlian-Irish playwright
Others John McGrath (businessman), Australian businessperson John W. McGrath (1842–1905), American jurist Denis McGrath (lawyer) (John Denis McGrath, 1910–1986), New Zealand lawyer and politician Sir John McGrath (judge) (1945–2018), judge of the Supreme Court of New Zealand
See also John Magrath (disambiguation)