Horsbrugh is a surname. Notable people with the surname include:

Andrew Horsbrugh-Porter (1907-1986), British Army officer and member of the Horsbrugh-Porter baronets Boyd Robert Horsbrugh (1871–1916), English ornithologist and military officer Florence Horsbrugh, Baroness Horsbrugh (1889–1969), Scottish politician Oliver Horsbrugh (1937–2009), British television director Patrick Horsbrugh (1920–2014), British architecture professor

See also Horsburgh (surname) Horsbrugh-Porter baronets