| Carrier Lumber Prince George (Tabor)SawmillCarrier Lumber Ltd. | Canada | Softwood | Operating | 422 750 m3/y sawn timber |
| Carronbridge SawmillsSawmillCarronbridge Sawmills Ltd | United Kingdom | - | Operating | No data yet |
| Catawba MillPulp millNew-Indy Containerboard LLC | United States | - | Operating | 450 000 t/y pulp production |
| Çaycuma MillPulp millOYKA Kağıt Ambalaj Sanayii ve Ticaret A.Ş. | Turkey | Softwood | Operating | 100 000 t/y pulp production |
| Celbi MillPulp millAltri S.A. | Portugal | Hardwood | Operating | 800 000 t/y pulp production |
| Celgar MillPulp millMercer International Inc. | Canada | Softwood | Operating | 520 000 t/y pulp production |
| Century Pulp & PaperPulp millITC Limited | India | Hardwood | Operating | 480 000 t/y pulp production |
| Chaleur Sawmills (Belledune, ex-EACOM)SawmillInterfor Corporation | Canada | Softwood | Operating | No data yet |
| Chantiers ChibougamauSawmillChantiers Chibougamau Ltee | Canada | Softwood | Operating | No data yet |
| Chantiers Chibougamau BéarnSawmillChantiers Chibougamau Ltée | Canada | - | Closed | No data yet |
| Chantiers Chibougamau La SarreSawmillChantiers Chibougamau Ltée | Canada | - | Operating | No data yet |
| Chantiers Chibougamau Landrienne (Scierie Landrienne)SawmillChantiers Chibougamau Ltée | Canada | - | Operating | No data yet |
| Charles Ingram LumberSawmillCharles Ingram Lumber Company | United States | Softwood | Operating | No data yet |
| Charles Ransford & Son (Ransfords)SawmillCharles Ransford & Son Ltd | United Kingdom | - | Operating | 55 000 m3/y sawn timber |
| Cheongwon MillPulp millJeonju Paper Co., Ltd. | South Korea | - | Operating | 183 000 t/y pulp production |
| Chongqing MillPulp millLee & Man Paper Manufacturing Limited | China | - | Operating | 180 000 t/y pulp production |
| Chouka Iran Wood & PaperPulp millIran Wood & Paper Industries (Chouka) | Iran | Softwood | Operating | 150 000 t/y pulp production |
| Chugoku Lumber Hyuga (日向工場)SawmillChugoku Lumber Co., Ltd. (中国木材株式会社) | Japan | Softwood | Operating | 350 000 m3/y sawn timberestimated from 700 000 m3/y log intake |
| Chugoku Lumber Kashima (鹿島工場, inkl. andra sågverket)SawmillChugoku Lumber Co., Ltd. (中国木材株式会社) | Japan | - | Operating | 600 000 m3/y sawn timberestimated from 1 200 000 m3/y log intake |
| Chugoku Lumber Kure (HQ complex: honsha seizai + kobara)SawmillChugoku Lumber Co., Ltd. (中国木材株式会社) | Japan | Softwood | Operating | No data yet |
| Chugoku Lumber Noshiro (能代工場)SawmillChugoku Lumber Co., Ltd. (中国木材株式会社) | Japan | Softwood | Operating | 120 000 m3/y sawn timberestimated from 240 000 m3/y log intake |
| Claymark Sawmill (Whakatane)SawmillClaymark Sawmills | New Zealand | - | Operating | No data yet |
| Cloquet MillPulp millSappi Limited | United States | Hardwood | Operating | 280 000 t/y pulp production |
| CMPC Maderas Planta BucalemuSawmillCMPC Maderas SpA | Chile | Softwood | Operating | No data yet |
| CMPC Maderas Planta MulchenSawmillCMPC Maderas SpA | Chile | Softwood | Operating | No data yet |
| CMPC Maderas Planta NacimientoSawmillCMPC Maderas SpA | Chile | Softwood | Operating | No data yet |
| CMPC Pulp Pacific GuaíbaPulp millCMPC Pulp | Brazil | Hardwood | Operating | 2 400 000 t/y pulp production |
| Collins ChesterSawmillCollins Pine Company | United States | Softwood | Operating | No data yet |
| Collins Lakeview (Fremont Sawmill)SawmillCollins Products | United States | Softwood | Operating | No data yet |
| Collum's Lumber ProductsSawmillCollum's Lumber Products | United States | Softwood | Operating | No data yet |
| Combimill ReopaluSawmillCombimill Reopalu OÜ | Estonia | Softwood | Operating | 120 000 m3/y sawn timber |
| Combimill SakalaSawmillCombimill Sakala OÜ | Estonia | Softwood | Operating | 125 000 m3/y sawn timber |
| Conifex MackenzieSawmillConifex Timber Inc. | Canada | Softwood | Operating | 325 976 m3/y sawn timber |
| Constitución MillPulp millCelulosa Arauco y Constitución S.A. | Chile | Softwood | Operating | 355 000 t/y pulp production |
| Coolrain SawmillsSawmillCoolrain Sawmills Ltd | Ireland | - | Operating | No data yet |
| Coosa Pines MillPulp millDomtar | United States | Softwood | Operating | 270 000 t/y pulp production |
| Cordiners Sawmills (Silverbank Sawmill)SawmillCordiners Sawmills Ltd | United Kingdom | Softwood | Operating | No data yet |
| Correia Pinto UnitPulp millKlabin S.A. | Brazil | Mixed | Operating | 170 000 t/y pulp production |
| Cosylva (Bourganeuf)SawmillCosylva | France | - | Operating | 20 000 m3/y |
| Covington MillPulp millSmurfit Westrock | United States | Softwood | Operating | 560 000 t/y pulp production |
| Crofton MillPulp millDomtar | Canada | Softwood | Closed 2025 | 380 000 t/y pulp production |
| Cypress Sunadaya (サイプレス・スナダヤ)SawmillCypress Sunadaya Co., Ltd. (株式会社サイプレス・スナダヤ) | Japan | - | Operating | 150 000 m3/y sawn timberestimated from 300 000 m3/y log intake |
| Damiani-Holz&Ko (Bressanone)SawmillDamiani-Holz&Ko S.p.A. | Italy | - | Operating | No data yet |
| DCP Timber (Píla Martin)SawmillDCP timber s.r.o. | Slovakia | Softwood | Operating | 25 000 m3/y sawn timberestimated from 50 000 m3/y log intake |
| DDL LukavecSawmillDrevozpracujici druzstvo Lukavec | Czech Republic | Softwood | Operating | No data yet |
| Decker Lake Forest Products (Burns Lake)SawmillDecker Lake Forest Products Ltd. | Canada | - | Operating | 83 192 m3/y sawn timber |
| Delta Cedar SawmillSawmillDelta Cedar Sawmill LP | Canada | - | Operating | 84 890 m3/y sawn timber |
| Derome AnnebergSawmillDerome Timber AB | Sweden | Softwood | Operating | 150 000 m3/y sawn timberestimated from 300 000 m3/y log intake |
| Derome KinnaredSawmillDerome Timber AB | Sweden | Softwood | Operating | No data yet |
| Derome MaaSawmillDerome Timber AB | Sweden | Softwood | Operating | No data yet |