Horsman is a surname. Notable people with the surname include:
Bill Horsman (footballer) (1906–1982), English football player Bill Horsman (canoeist), British slalom canoeist Chris Horsman (born 1978), Welsh rugby union player Duane Horsman (1937–1991), American boxer Edward Horsman (1807–1876), British politician, Chief Secretary to Ireland Fred Horsman (1889–1959), English football player Greg Horsman, Australian dancer Jim Horsman (born 1935), Canadian politician John Whitmore Horsman (1888–1976), Canadian farmer and politician Kathleen Horsman (1911–1999), British artist Stephen Horsman, Canadian politician Thomas Horsman (c.1536–1610), English politician Vince Horsman (born 1967), Canadian baseball pitcher and coach