Alexander Ellis may refer to: Alex Ellis (born 1991), Canadian racecar driver Alexander John Ellis (1814–1890), English mathematician and philologist Boo Ellis (Alexander Ellis, 1936–2010), American professional basketball player Alexander Ellis (diplomat) (born 1967), British diplomat Alex Ellis (American football) (born 1993), American football tight end Alexander Ellis III (born 1949), business executive Alex Ellis (rugby union) (born 1995) Canadian rugby union player