Kyd is a surname and may refer to:
- Gerald Kyd (born 1973), South African actor
- Jesper Kyd (born 1972), acclaimed video game and film music composer
- Michael Kyd (born 1977), English professional footballer
- Robert Kyd (1746-1793), British botanist
- Thomas Kyd (1558-1594), English dramatist
- Warren Kyd (born 1939), former New Zealand politician
- William Kyd (fl. 1430-1453), English 15th century pirate