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

Douglas Busk (1906–1990), British diplomat, mountaineer and geographer Edward Teshmaker Busk (1886–1914), aeronautical pioneer George Busk (1807–1886), British naval surgeon, zoologist and palaeontologist Hans Busk, the elder (1772–1862), poet Hans Busk, the younger (1815–1882), shootist Niels Busk (born 1942), Danish politician Rachel Harriette Busk, traveller, collector of tales, writer Richard Busk (1895–1961), English cricketer Søren Busk (born 1953), Danish football player

See also Busk Medal, awarded by Royal Geographical Society