Editing List of physicists (section)

== C ==
*[[Nicola Cabibbo]] – Italy (1935–2010)
*[[Nicolás Cabrera (physicist)|Nicolás Cabrera]] – Spain (1913–1989)
*[[Orion Ciftja]] – United States
*[[Curtis Callan]] – United States (born 1942)
*[[Annie Jump Cannon]] – United States (1863–1941)
*[[Fritjof Capra]] – Austria, United States (born 1939)
*[[Marcela Carena]] – Argentina (born 1962)
*[[Ricardo Carezani]] – Argentina, United States (1921–2016)
*[[Nicolas Léonard Sadi Carnot]] – France (1796–1832)
*[[David Carroll (physicist)|David Carroll]] – United States (born 1963)
*[[Brandon Carter]] – Australia (born 1942)
*[[Hendrik Casimir]] – Netherlands (1909–2000)
*[[Henry Cavendish]] – U.K. (1731–1810)
*[[James Chadwick]] – U.K. (1891–1974) Nobel laureate
*[[Owen Chamberlain]] – United States (1920–2006) Nobel laureate
*[[Moses H. W. Chan]] – Hong Kong (born 1946)
*[[Subrahmanyan Chandrasekhar]] – India, United States (1910–1995) Nobel laureate
*[[Tsao Chang]] - Chinese (born 1942)
*[[Georges Charpak]] – France (1924–2010) Nobel laureate
*[[Émilie du Châtelet]] – France (1706–1749)
*[[Swapan Chattopadhyay]] – India (born 1951)
*[[Pavel Alekseyevich Cherenkov]] – Imperial Russia, Soviet Union (1904–1990) Nobel laureate
*[[Maxim Chernodub]] – Russia, France (born 1973)
*[[Geoffrey Chew]] – United States (1924–2019)
*[[Boris Chirikov]] – Soviet Union, Russia (1928–2008)
*[[Juansher Chkareuli]] – Georgia (born 1940)
*[[Ernst Chladni]] – Germany (1756–1827)
*[[Nicholas Christofilos]] – Greece (1916–1972)
*[[Steven Chu]] – United States (born 1948) Nobel laureate
*[[Giovanni Ciccotti]] – Italy (born 1943)
*[[Benoît Paul Émile Clapeyron|Benoît Clapeyron]] – France (1799–1864)
*[[George W. Clark]] – United States
*[[John Clauser]] – United States (born 1942) Nobel laureate
*[[Rudolf Clausius]] – Germany (1822–1888)
*[[Richard Clegg]] – U.K.
*[[Gari Clifford]] – British-American physicist, biomedical engineer, academic, researcher
*[[John Cockcroft]] – U.K. (1897–1967) Nobel laureate
*[[Claude Cohen-Tannoudji]] – France (born 1933) Nobel laureate
*[[Arthur Compton]] – United States (1892–1962) Nobel laureate
*[[Karl Compton]] – United States (1887–1954)
*[[Edward Condon]] – United States (1902–1974)
*[[Leon Cooper]] – United States (1930–2024) Nobel laureate
*[[Nicolaus Copernicus]] – Poland (1473 – 1543)
*[[Alejandro Corichi]] – Mexico (born 1967)
*[[Gaspard-Gustave Coriolis]] – France (1792–1843)
*[[Allan McLeod Cormack]] – South Africa, United States (1924–1998)
*[[Eric Allin Cornell]] – United States (born 1961) Nobel laureate
*[[Marie Alfred Cornu]] – France (1841–1902)
*[[Charles-Augustin de Coulomb]] – France (1736–1806)
*[[Ernest Courant]] – United States (1920–2020)
*[[Brian Cox (physicist)|Brian Cox]] – U.K. (born 1968)
*[[Thomas E. Cravens]] - United States, cometary x-rays
*[[Charles Critchfield]] – United States (1910–1994)
*[[James Cronin]] – United States (1931–2016) Nobel laureate
*[[Sir William Crookes]] – U.K. (1832–1919)
*[[Paul Crowell]] – United States
*[[Marie Curie]] – Poland, France (1867–1934) twice Nobel laureate
*[[Pierre Curie]] – France (1859–1906) Nobel laureate
*[[Predrag Cvitanović]] – Croatia (born 1946)