Speller is a surname. Notable people with the surname include:
Bob Speller (born 1956), Canadian politician
Frank Speller, American organist and academic
Frank Newman Speller (1875–1968), Canadian-born American metallurgical engineer
Fred Speller (1864–1940), English footballer
Nick Speller (born 1989), American football player
Tony Speller (1929–2013), British politician