Willan is a surname. Notable people with the surname include:
Anne Willan (born 1938), founded the Ecole de Cuisine La Varenne
Frank Willan (1915–1981), English pilot, Royal Air Force officer and Conservative politician
Frank Willan (rower) (1846–1931), English rower and Militia officer
Healey Willan (1880–1968), Anglo-Canadian organist and composer
Jason Willan, American soccer player
John Willan (1799–1869), English amateur cricketer
Robert Willan (1757–1812), English physician and the founder of dermatology as a medical specialty
Robert Hugh Willan (1882–1960), British soldier
