Maddy (surname)
Maddy is a surname. Notable people with the surname include:
- Darren Maddy, English cricketer
- Joseph E. Maddy, American music educator
- Kenneth L. Maddy, American politician
- Paul Maddy, Welsh former footballer
- Penelope Maddy, Professor of Logic and Philosophy of Science and of Mathematics at the University of California, Irvine
- Yulisa Pat Amadu Maddy, Sierra Leonean actor, dancer, director and playwright