| Akronim | Penjelasan |
| C |
| C | [kimia] Carbon (Karbon). |
| C. | Cina. |
| C/E | Capital investment per Employee (Nisbah Modal Pelaburan Bagi Setiap Pekerja). |
| Ca | [kimia] Calcium (Kalsium). |
| CAAM | Civil Aviation Authority of Malaysia. |
| CAD | Computer Aided Design. |
| CAM | Computer Aided Manufacturing. |
| CATV | Community Antenna Television. |
| CBS | Columbia Broadcasting System. |
| CBT | Criminal Breach of Trust. |
| CC | Carbon Copy, Cubic Centimetres. |
| CCD | Charge-Coupled Device. |
| CCM | Companies Commission of Malaysia (Suruhanjaya Syarikat Malaysia). |
| CCR | Core Capital Ratio (Nisbah Modal Utama). |
| cct-km | circuit-kilometres. |
| CCTV | Closed Circuit Television. |
| CCU | Coronary Care Unit (Unit Perawatan Jantung) |
| CD | [tidak rasmi] Carlsberg Draught, Compact Disc. |
| Cd | [kimia] Cadmium (Kadmium). |
| CD-ROM | Compact Disc-Read Only Memory. |
| CD-RW | Compact Disc-ReWritable. |
| CDRC | Corporate Debt Restructuring Committee (Jawatankuasa Penstrukturan Semula Hutang Korporat). |
| Ce | [kimia] Cerium (Serium). |
| CEO | Chief Executive Officer (Ketua Pegawai Eksekutif). |
| CEPT | Common Effective Preferential Tariff (Skim Tarif Keutamaan Berkesan). |
| Cetak | Percetakan (Printing). |
| Cf | [kimia] Californium (Kalifornium). |
| CFO | Certificate of Fitness for Occupation (Sijil Kelayakan Menduduki). |
| CFTC | Commonwealth Fund for Technical Cooperation. |
| CGC | Credit Guarantee Corporation (Perbadanan Jaminan Kredit Berhad). |
| CGI | Computer Generated Image, Computer Graphics Interface. |
| CH | Confederation Helvetica (Switzerland). |
| CIA | Central Intelligence Agency (Badan Perisik Amerika), Common Internet Acronyms. |
| CIAST | Centre for Instructor and Advanced Skills Training. |
| CID | Criminal Investigation Department (Jabatan Penyiasatan Jenayah). |
| CIDB | Construction Industry Development Board (Lembaga Pembangunan Industri Pembinaan). |
| CIQ | Customs, Immigration, and Quarantine (Kastam, Imigresen, dan Kuarantin). |
| CKD | Completely Knocked Down (Pemasangan Tempatan). |
| CL | Components of Literature (Komponen Sastera). |
| Cl | [kimia] Chlorine (Klorin). |
| c.l. | colloquial language (bahasa percakapan). |
| CLI | Calling Line Identification. |
| CLOB | Central Limit Order Book (international market). |
| CM | Chief Minister (Ketua Menteri, Menteri Besar). |
| Cm | [kimia] Curium (Kurium). |
| cm. | sentimeter. |
| CMAG | Commonwealth Ministerial Action Group. |
| CMI | Chiang Mai Initiative (Inisiatif Chiang Mai). |
| CMP | Capital Market/Master Plan (Pelan Induk Pasaran Modal). |
| CNN | Cable News Network. |
| Co | [kimia] Cobalt (Kobalt). |
| COD | Cash On Delivery. |
| Col. | [kitab injil] Colossians (Kolose). |
| COLA | Cost Of Living Allowance. |
| COMDEX | Computer Dealers Exposition. |
| CP | Certificate of Performance. |
| CPI | Consumer Price Index. |
| CPO | Crude Palm Oil (Minyak Sawit Mentah). |
| CPR | Cardio-Pulmonary Resuscitation. |
| CPU | Central Processing Unit. |
| Cr | [kimia] Chromium (Kromium). |
| CRDF | Commercialisation of Research and Development Fund (Tabung Pengkomersilan Penyelidikan dan Pembangunan). |
| Cs | [kimia] Caesium or Cesium (Sesium). |
| CST | Central Standard Time. |
| CT | Computer and Telecommunication (Komputer dan Telekomunikasi). |
| CTIP | Council of Trust for the Indigenous People (Majlis Amanah Rakyat). |
| CTRM | Composite Technology Research Malaysia. |
| Cu | [kimia] Cuprum (id est Copper) (Kuprum atau Tembaga). |
| CUEPACS | Congress of Unions of Employees in the Public And Civil Services (Kongres Kesatuan Pekerja dalam Perkhidmatan Awam). |
