C
- Colbie Caillat (1)
- Scott Cain (1)
- Anthony Callea (2)
- The Captain and Tennille (1)
- Irene Cara (1)
- Mariah Carey (2)
- Vanessa Carlton (1)
- Kim Carnes (1)
- The Carpenters (3)
- Jo "Fingers" Carr (1)
- Kathy Carr (1)
- Wes Carr (1)
- José Carreras (1)
- David Cassidy (1)
- Kasey Chambers (1)
- The Chantays (1)
- Charlene (1)
- Ray Charles (1)
- Cheap Trick (1)
- Cher (2)
- Chic (1)
- Chicago (1)
- Chumbawamba (1)
- Gabriella Cilmi (1)
- Petula Clark (1)
- Kelly Clarkson (1)
- Rosemary Clooney (1)
- Joe Cocker (1)
- Nat "King" Cole (1)
- Ray Columbus & The Invaders (1)
- The Commodores (1)
- Perry Como (3)
- Coolio (1)
- Cosima (1)
- Julie Covington (1)
- Billy "Crash" Craddock (2)
- The Cranberries (1)
- Crash Test Dummies (1)
- Crazy Frog (1)
- Creedence Clearwater Revival (2)
- Bing Crosby (1)
- Sheryl Crow (1)
- The Crystals (1)
- Culture Beat (1)
- Culture Club (2)
- Cut 'N' Move (1)
- C.W. McCall (1)
- Billy Ray Cyrus (1)
Read more about this topic: List Of Artists Who Reached Number One On The Australian Singles Chart