Beavan is a surname of Welsh origin, meaning "son of Evan". Notable people with the surname include:
Blake Beavan (born 1989), American professional baseball playerColin Beavan (born 1963), American non-fiction writer and internet bloggerGeorge Beavan (born 1990), English footballerJenny Beavan (born 1950), English costume designerJohn Beavan, Baron Ardwick (1910–1994), British journalistMargaret Beavan (1877–1931), English politician, Lord Mayor of LiverpoolRay Beavan, Australian rugby playerRobert Cecil Beavan (1841–1870), British soldier and ornithologistSean Beavan, American record producer