C
- C. Wright Mills (1916–1962), American sociologist
- Caleb Mills (1806–1879), American educator
- Charles Mills, multiple people
- Chris Mills, American basketball player
- Clark Mills (boatbuilder and designer) (1915–2001), American boat builder and designer
- Clark Mills (sculptor) (1810–1883), American sculptor
- Colin Mills (born 1951), British educationalist
- Crispian Mills (born 1973), British musician
Read more about this topic: Mills (surname)