| Weyerhaeuser MillportSawmillWeyerhaeuser | United States | - | Operating | No data yet |
| Weyerhaeuser New BernSawmillWeyerhaeuser | United States | - | Idled 2024 | No data yet |
| Weyerhaeuser PhiladelphiaSawmillWeyerhaeuser | United States | Softwood | Operating | No data yet |
| Weyerhaeuser PlymouthSawmillWeyerhaeuser | United States | Softwood | Operating | No data yet |
| Weyerhaeuser PrincetonSawmillGorman Group | Canada | - | Operating | 390 492 m3/y sawn timber |
| Weyerhaeuser RaymondSawmillWeyerhaeuser | United States | Softwood | Operating | No data yet |
| Weyerhaeuser Santiam (Lebanon)SawmillWeyerhaeuser | United States | Softwood | Operating | 679 117 m3/y sawn timber |
| Weyerhaeuser ZwolleSawmillWeyerhaeuser | United States | - | Operating | No data yet |
| WFP ChemainusSawmillWestern Forest Products Inc. | Canada | - | Idled 2025 | 110 357 m3/y sawn timber |
| WFP Cowichan Bay (Value Added Division)SawmillWestern Forest Products Inc. | Canada | - | Idled 2026 | 224 109 m3/y sawn timber |
| WFP Duke Point (Nanaimo)SawmillWestern Forest Products Inc. | Canada | - | Operating | 171 477 m3/y sawn timber |
| WFP LadysmithSawmillWestern Forest Products Inc. | Canada | - | Operating | 181 664 m3/y sawn timber |
| WFP Port Alberni (APD)SawmillWestern Forest Products Inc. | Canada | - | Closed 2024 | 205 433 m3/y sawn timber |
| White River Forest ProductsSawmillWhite River Forest Products LP | Canada | Softwood | Operating | No data yet |
| Whitecourt MillPulp millMillar Western Forest Products Ltd | Canada | Mixed | Operating | 350 000 t/y pulp production |
| Wibeba Holz WieselburgSawmillWibeba Holz Ges.m.b.H. | Austria | Hardwood | Operating | 11 000 m3/y sawn timberestimated from 22 000 m3/y log intake |
| Windsor MillPulp millDomtar | Canada | Hardwood | Operating | 447 000 t/y pulp production |
| Winstone Pulp International Tangiwai SawmillSawmillWinstone Pulp International | New Zealand | - | Closed | 100 000 m3/y sawn timber |
| Woodfab TimberSawmillWoodfab Timber Ltd | Ireland | - | Operating | 110 000 m3/y sawn timber |
| Woodgrain La GrandeSawmillWoodgrain | United States | - | Operating | No data yet |
| Woodgrain Pilot RockSawmillWoodgrain | United States | - | Closed 2025 | No data yet |
| Wotan Forest (koncernaggregat, 4 sagverk)SawmillWotan Forest a.s. | Czech Republic | Softwood | Operating | 175 000 m3/y sawn timberestimated from 350 000 m3/y log intake |
| Yanzhou Pulp MillPulp millGuangxi Sun Paper | China | Hardwood | Operating | No data yet |
| Yatsushiro MillPulp millNippon Paper Industries Co., Ltd. | Japan | - | Operating | 667 950 t/y pulp production |
| Yibin MillPulp millYibin Paper Industry Co., Ltd. | China | - | Operating | 200 000 t/y pulp production |
| Yichun MillPulp millJiangxi Chenming Paper Co., Ltd | China | - | Status unknown | 950 000 t/y pulp production |
| Yonago MillPulp millOji Paper Co., Ltd. | Japan | - | Operating | 400 000 t/y pulp production |
| York Timbers SabieSawmillYork Timbers | South Africa | Softwood | Operating | 256 810 m3/y sawn timberestimated from 513 620 m3/y log intake |
| York Timbers WarburtonSawmillYork Timbers | South Africa | Softwood | Operating | 225 000 m3/y |
| Yugorsky Lesopromyshlenny Holding (Sovetsky)SawmillYugorsky Forestry Holding | Russia | - | Operating | No data yet |
| Zhanjiang MillPulp millZhanjiang Chenming Pulp & Paper Co., Ltd. | China | Hardwood | Operating | 700 000 t/y pulp production |
| ZPD CzaplinekSawmillKPPD-Szczecinek S.A. (Zakład Produkcji Drzewnej Czaplinek) | Poland | - | Operating | 22 000 m3/y sawn timber |
| ZPD Drawsko PomorskieSawmillKPPD-Szczecinek S.A. (Zakład Produkcji Drzewnej Drawsko Pomorskie) | Poland | - | Operating | 27 000 m3/y sawn timber |
| ZPD Kalisz PomorskiSawmillKPPD-Szczecinek S.A. (Zakład Produkcji Drzewnej Kalisz Pomorski) | Poland | - | Operating | 45 000 m3/y sawn timber |
| ZPD KołaczSawmillKPPD-Szczecinek S.A. (Zakład Produkcji Drzewnej Kołacz) | Poland | Mixed | Operating | 16 000 m3/y sawn timber |
| ZPD KrosinoSawmillKPPD-Szczecinek S.A. (Zakład Produkcji Drzewnej Krosino) | Poland | - | Operating | 30 000 m3/y sawn timber |
| Zwickl-Holz Raabs an der ThayaSawmillZwickl-Holz | Austria | Softwood | Operating | 32 500 m3/y sawn timberestimated from 65 000 m3/y log intake |