Greenhalgh is a surname. /ˈɡriːnhælʃˌ-hɒlʃˌ-hældʒˌ-hɔːlˌ-hɔː/. Notable people with the surname include:
Ben Greenhalgh (born 1992), English footballer
Brian Greenhalgh (born 1947), English footballer
Harry Greenhalgh (1900–1982), English footballer with Bolton Wanderers
Jack Greenhalgh (1904–1971), American cinematographer
John Greenhalgh (b. 1898), English footballer with Burnley and Accrington Stanley
Jimmy Greenhalgh (1923–2013), English football manager
Norman Greenhalgh, English footballer with Everton
Sam Greenhalgh (1882–1955), English footballer with Bolton and Aston Villa
Sean Greenhalgh, Canadian lacrosse player
Sean Greenhalgh (musician), American rock drummer
Shaun Greenhalgh, English art forger
Tom Greenhalgh, English musician with the Mekons
Trisha Greenhalgh, British professor of primary health care
Fictional characters:
Dot Greenhalgh, a former fictional character in the British soap opera Coronation Street
Greenall, Greenhalf /-hælf/, Greenhalge /-hældʒ/, Greenhall, Greenhaulgh /-hɔː/, Greenhaw, Greenhow.