| Canfor Polar (Bear Lake)SawmillCanadian Forest Products Ltd. | Canada | Softwood | Closed 2024 | 509 000 m3/y sawn timber |
| Canfor Prince GeorgeSawmillCanadian Forest Products Ltd. | Canada | Softwood | Operating | 574 000 m3/y sawn timber |
| Canfor Radium (Radium Hot Springs)SawmillCanadian Forest Products Ltd. | Canada | Softwood | Operating | 346 000 m3/y sawn timber |
| Canfor ThomasvilleSawmillCanfor Southern Pine | United States | Softwood | Operating | No data yet |
| Canfor UrbanaSawmillCanfor Southern Pine | United States | Softwood | Operating | 246 000 m3/y sawn timber |
| Canfor WhitecourtSawmillCanfor | Canada | Softwood | Operating | No data yet |
| Canfor Wynndel (Wynndel Box & Lumber)SawmillCanadian Forest Products Ltd. | Canada | Softwood | Operating | 114 000 m3/y sawn timber |
| Capitán Bermúdez MillPulp millCelulosa Argentina S.A. | Argentina | Hardwood | Operating | No data yet |
| Carrier Forest Products (Big River)SawmillCarrier Forest Products LP | Canada | Softwood | Idled 2026 | 424 000 m3/y sawn timber |
| Carrier Lumber Prince George (Tabor)SawmillCarrier Lumber Ltd. | Canada | Softwood | Operating | 423 000 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 |
| Çaycuma MillPulp millOYKA Kağıt Ambalaj Sanayii ve Ticaret A.Ş. | Turkey | Softwood | Operating | No data yet |
| Celbi MillPulp millAltri S.A. | Portugal | Hardwood | Operating | 800 000 t/y pulp |
| Celesa pulp millPulp millCelulosa de Levante, S.A. | Spain | - | Operating | 19 000 t/y pulp |
| Celgar MillPulp millMercer International Inc. | Canada | Softwood | Operating | 520 000 t/y pulp |
| Celltech Torrelavega MillPulp millCelltech, S.L. | Spain | - | Closed 2020 | No data yet |
| Century Pulp & PaperPulp millITC Limited | India | Hardwood | Operating | No data yet |
| Chaleur Sawmills (Belledune, ex-EACOM)SawmillInterfor Corporation | Canada | Softwood | Operating | 297 000 m3/y sawn timber |
| Chantiers ChibougamauSawmillChantiers Chibougamau Ltée | Canada | Softwood | Operating | No data yet |
| Chantiers Chibougamau BéarnSawmillChantiers Chibougamau Ltée | Canada | Softwood | Closed | 187 000 m3/y sawn timber |
| Chantiers Chibougamau La SarreSawmillChantiers Chibougamau Ltée | Canada | Softwood | Operating | 229 000 m3/y sawn timber |
| Chantiers Chibougamau Landrienne (Scierie Landrienne)SawmillChantiers Chibougamau Ltée | Canada | Softwood | Operating | No data yet |
| Chantiers Chibougamau MatagamiSawmillChantiers Chibougamau Ltée | Canada | Softwood | Operating | No data yet |
| Charles Ingram LumberSawmillCharles Ingram Lumber Company | United States | Softwood | Operating | 340 000 m3/y sawn timber |
| Charles Ransford & Son (Ransfords)SawmillCharles Ransford & Son Ltd | United Kingdom | Softwood | Operating | 55 000 m3/y sawn timber |
| Chongqing MillPulp millLee & Man Paper Manufacturing Limited | China | - | Operating | 180 000 t/y pulp |
| Chouka Iran Wood & PaperPulp millIran Wood & Paper Industries (Chouka) | Iran | Softwood | Operating | No data yet |
| 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 | Softwood | 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 |
| Cloquet MillPulp millSappi Limited | United States | Hardwood | Operating | 370 000 t/y pulp |
| 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 | 400 000 m3/y sawn timberestimated from 800 000 m3/y log intake |
| CMPC Pulp Pacific GuaíbaPulp millCMPC Pulp | Brazil | Hardwood | Operating | 2 400 000 t/y pulp |
| Collins ChesterSawmillCollins Pine Company | United States | Softwood | Operating | 204 000 m3/y sawn timber |
| Collins Lakeview (Fremont Sawmill)SawmillCollins Products | United States | Softwood | Operating | 119 000 m3/y sawn timber |
| Collum's Lumber ProductsSawmillCollum's Lumber Products | United States | Softwood | Operating | 340 000 m3/y sawn timber |
| 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 | Idled 2026 | 407 000 m3/y sawn timber |
| Constitución MillPulp millCelulosa Arauco y Constitución S.A. | Chile | Softwood | Operating | 355 000 t/y pulp |
| Coolrain SawmillsSawmillCoolrain Sawmills Ltd | Ireland | - | Operating | No data yet |
| Coosa Pines MillPulp millDomtar | United States | Softwood | Idled 2026 | 270 000 t/y pulp |
| 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 |
| Cosylva (Bourganeuf)SawmillCosylva | France | Softwood | Operating | No data yet |
| Covington MillPulp millSmurfit Westrock | United States | Softwood | Operating | 560 000 t/y pulp |