Pia (surname) explained
As a surname, Pia may refer to:
- Frank Pia, lifeguard who invented the Pia carry
- Pascal Pia (1903-1979), French writer, journalist, illustrator and scholar born Pierre Durand
- Secondo Pia (1855–1941), Italian lawyer and amateur photographer best known for taking the first photographs of the Shroud of Turin
- Ulla Pia (born 1945), Danish singer