C
- René Capitant (1901–1970), lawyer and statesman
- Roger Caillois (1913–1978), author
- Jean Carmet (1920–1994), actor
- Isabelle Caro (1982-2010), model
- Eugène Carrière (1849–1906), Symbolist painter
- Rene Cassin (1887–1976), jurist, Nobel Laureate. His remains were later transferred to the Panthéon.
- Aristide Cavaillé-Coll (1811–1899), organ builder
- Emmanuel Chabrier (1841–1894), composer
- Honoré Champion (1846–1913), publisher
- Claude François Chauveau-Lagarde (1756-1841), lawyer, defender of Marie-Antoinette
- Emil Cioran (1911–1995), Romanian philosopher
- André Citroën (1878–1935), founded France's Citroën automobile factory
- Antoni Clavé (1913–2005), artist
- François Coppée (1842–1908), poet and novelist
- Gaspard-Gustave Coriolis (1792–1843), mathematician
- Julio Cortázar (1914–1984), Argentinian author
- Antoine Augustin Cournot (1801–1877), economist
- Maurice Couve de Murville (1907–1999), former Prime Minister of France
- Adolphe Crémieux (1796–1880), lawyer and statesman
- Charles Cros (1842–1888), poet and inventor
Read more about this topic: Montparnasse Cemetery