Barwick is a surname. Notable people with the surname include:
- Bill Barwick (1946âÂÂ2017), 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 (1938âÂÂ1986), Canadian-born anthropologist, researcher and teacher
- Doug Barwick (born 1962), Australian rules footballer
- Garfield Barwick (1903âÂÂ1997), Chief Justice of the High Court of Australia
- Greg Barwick, Australian rugby league player
- John Barwick (theologian) (fl. 1340), Anglo-Scots theologian
- John Barwick (1612âÂÂ1664), English royalist churchman and Dean of St. Paul's Cathedral
- Julianna Barwick, American musician
- Paul Barwick (born 1946), American LGBT rights activist and same-sex marriage pioneer
- Peter Barwick (1619âÂÂ1705), 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 (1934âÂÂ1993), British television scriptwriter
- Vic Barwick (1879âÂÂ1963), Australian rules footballer