Pelagie (or Pélagie) is a name, a French form of the Greek Pelagia; its meaning refers to the sea.

• Pelagie Doane (1906–1966), American illustrator and writer
• Pélagie Gbaguidi (born 1965), Beninese artist
• Pélagie Uwera (born 1974), Rwandan politician
• Joseph-Marie-Pélagie Havard (1790–1838) French bishop, missionary in Vietnam
• Nora Coton-Pélagie (born 1988), French footballer

• Pélagie, a Canadian musical first produced in 2004
• Pelagie Islands
• Sainte-Pélagie Prison, a prison in Paris, used from 1790 to 1899
• Pélagie-la-Charrette (1979), a novel by Antonine Maillet

• Pelagia (disambiguation)
• Marina (given name)