Similar to 威海市
 - CCL5CCL5
 - CD45PTPRC
 - Cdc14Cdc14
 - CDC20CDC20
 - Template:CDGVAL
 - CentrinoCentrino
 - CERN httpdCERN httpd
 - 利用者:Cfktj1596/sandbox
- C-FosProtein c-Fos
 - ChAdOx1ChAdOx1
 - Challenge-Handshake Authentication ProtocolChallenge-Handshake Authentication Protocol
 - 利用者:Chalnexe/sandbox
 - CHAN-DTCHAN-DT
 - CHD7CHD7
 - 利用者:Chirua/ラカイン族
 - CIDCID
 - MediaWiki‐ノート:Cite text/sandbox
 - MediaWiki:Citethispage-content
 - C-JunTranscription factor Jun
 - ClangClang
 - CLED寒天培地Cystine–lactose–electrolyte-deficient agar
- CLIECLIÉ
 - CLS (コマンド)CLS (command)
 - CMACCMAC
 - CMOSイメージセンサActive-pixel sensor
 - CMYKCMYK color model
 - COCOCoco
 - Code Excited Linear PredictionCode-excited linear prediction