Kellaway is a surname, and may refer to
- Andrew Kellaway, Australian football player
- Alec Kellaway, British actor and brother of
- Cecil Kellaway, British actor
- Charles Kellaway, Australian medical scientist and science administrator
- Duncan Kellaway, Australian football player
- Frederick Kellaway, British politician
- Joseph Kellaway, British sailor and recipient of the Victoria Cross
- Lucy Kellaway, British management columnist
- Roger Kellaway, American composer
- Sam Kellaway, British poet