| Cadillac | 1986 |
| Caline & Olivier Toussaint | 1978 |
| Camillo Felgen | 1960 1962 |
| Can Bonomo | 2012 |
| Carita | 1974 |
| Carl Espen | 2014 |
| Carlos do Carmo | 1976 |
| Carlos Mendes | 1968 1972 |
| Carlos Paião | 1981 |
| Carmela Corren | 1963 |
| Carol Rich | 1987 |
| Carola | 1991 |
| Carola Häggkvist | 1983 2006 |
| Carole Vinci | 1978 |
| Cascada | 2013 |
| CatCat | 1994 |
| Cathal Dunne | 1979 |
| Catherine Ferry | 1976 |
| Celia Lawson | 1997 |
| Céline Carzo | 1990 |
| Céline Dion | 1988 |
| Cesár Sampson | 2018 |
| Cezar | 2013 |
| Chanée & N'evergreen | 2010 |
| Chara & Andreas Konstantinou / Χαρά & Ανδρέας Κωνσταντίνου | 1997 |
| Charlie | 1998 |
| Charlotte Nilsson | 1999 |
| Charlotte Perrelli | 2008 |
| Charmed | 2000 |
| Chiara | 1998 2005 2009 |
| Chingiz | 2019 |
| Chips | 1982 |
| Chocolate, Menta, Mastik / שוקולד מנטה מסטיק | 1976 |
| Chris Baldo & Sophie Garel | 1968 |
| Chris Doran | 2004 |
| Chris Kempers & Daniel Kovac | 1990 |
| Christa Williams | 1959 |
| Christer Björkman | 1992 |
| Christie / Κρίστη Στασινοπούλου | 1983 |
| Christina Simon | 1979 |
| Christine Guldbrandsen | 2006 |
| Christine Minier | 1987 |
| Christos Callow & Wave / Χρήστος Κάλοου & Wave | 1990 |
| Cindy & Bert | 1974 |
| Claes-Göran Hederström | 1968
|
