C
- Cardis Cardell Willis (1937-2007), American comedian
- Carl Willis (born 1960), former American baseball player
- Carl Willis (sportsman) (1893–1930), Australian rules footballer
- Carol Willis (disambiguation), several people
- Charles Willis (1827–1895), English cricketer
- Charles T. Willis (1841–1921), New York politician
- Chris Willis, American singer
- Chuck Willis (1928–1958), American blues singer/songwriter
- Connie Willis (born 1945), American science fiction writer
- Craig Willis (born 1954), Australian sports announcer
Read more about this topic: Willis (surname)