- C.A.Pihls Gate
- C.A.Torstensens Vei
- C.J.Hambros Plass
- Calmeyers Gate
- Camilla Colletts Vei
- Cappelens Vei
- Carl Berners Plass
- Carl Grøndahls Vei
- Carl Jeppesens Gate
- Carl Kjelsens Vei
- Carl Lundgrens Vei
- Caspar Storms Vei
- Casparis Gate
- Cecilie Thoresens Vei
- Cederholm
- Charlotte Andersens V.
- Christ. Hansteens Vei
- Christian Benneches V.
- Christian Frederiks Plass
- Christian Frederiks V.
- Christian Krohgs Gate
- Christian Michelsens G
- Christian Schous Vei
- Christiania Torv
- Christies Gate
- Christoffer Hellums V.
- Christophers Vei
- Claus Borchs Vei
- Claus Riis Gate
- Colbjørnsens Gate
- Colletts Gate
- Conrad Hemsens Vei
- Conradis Gate
- Cort Adelers Gate