Witty is a surname. Notable people with the name include:
Andrew Witty (born 1964), English chief executive officer and university chancellor
Arthur Witty (1878–1969), Spanish footballer, club president and businessman
Chris Witty (born 1975), American speed skater and racing cyclist
George Witty (1856–1941), New Zealand Member of Parliament for Riccarton
John Witty (1915–1990), British film and television actor