Barwick is a surname. Notable people with the surname include:
Bill Barwick (1946–2017), American Western music singer-songwriter and voice-over artist Brian Barwick (born 1954), English sports official Daniel Barwick (born 1968), American college president Diane Barwick (1938–1986), Canadian-born anthropologist, researcher and teacher Doug Barwick (born 1962), Australian rules footballer Garfield Barwick (1903–1997), Chief Justice of the High Court of Australia Greg Barwick, Australian rugby league player John Barwick (theologian) (fl. 1340), Anglo-Scots theologian John Barwick (1612–1664), English royalist churchman and Dean of St. Paul's Cathedral Julianna Barwick, American musician Mia Barwick (born 2010), Australian cricketer Paul Barwick (born 1946), American LGBT rights activist and same-sex marriage pioneer Peter Barwick (1619–1705), English physician and author Sandy Barwick (born 1949), New Zealand female ultramarathon runner Steve Barwick (born 1960), Welsh cricketer Terry Barwick (born 1983), English football player Tony Barwick (1934–1993), British television scriptwriter Vic Barwick (1879–1963), Australian rules footballer