| Moelven Soknabruket (Sokna)SawmillMoelven Soknabruket AS | Norway | Softwood | Operating | 220 000 m3/y sawn timber |
| Moelven TrysilSawmillMoelven Trysil AS | Norway | Softwood | Operating | No data yet |
| Moelven ValåsenSawmillMoelven Valåsen AB | Sweden | Softwood | Operating | 450 000 m3/y sawn timber |
| Moelven Våler (Braskereidfoss)SawmillMoelven Timber AS | Norway | Softwood | Operating | 195 000 m3/y sawn timber |
| Mogi Guaçu MillPulp millSylvamo do Brasil Ltda | Brazil | Hardwood | Operating | No data yet |
| Mokkan no Mori Yotsukura-fabriken (木環の杜 四倉工場)SawmillKowanomori Co., Ltd. (株式会社木環の杜) | Japan | Softwood | Operating | 55 000 m3/y sawn timberestimated from 110 000 m3/y log intake |
| Mondi Neusiedler Kematen pulp millPulp millMondi Neusiedler GmbH & Co KG | Austria | - | Operating | No data yet |
| Mondi Richards BayPulp millMondi Group | South Africa | Hardwood | Operating | 660 000 t/y pulp |
| Mondi Stambolijski millPulp millMondi Stambolijski EAD | Bulgaria | - | Closed 2024 | No data yet |
| Monnet-Sève Saint-VulbasSawmillMonnet Sève SA (MS Bois) | France | Softwood | Operating | 570 000 m3/y |
| Mönsterås MillPulp millSödra | Sweden | Mixed | Operating | 750 000 t/y pulp |
| Monte Alegre MillPulp millKlabin S.A. | Brazil | Mixed | Operating | No data yet |
| Montes del Plata MillPulp millMontes del Plata (50% Arauco + 50% Stora Enso) | Uruguay | Hardwood | Operating | 1 300 000 t/y pulp |
| Montrose Forest ProductsSawmillMontrose Forest Products | United States | Softwood | Operating | 144 000 m3/y sawn timber |
| Moorim P&PPulp millMoorim Paper Co., Ltd. | South Korea | Hardwood | Operating | No data yet |
| Morgan LumberSawmillMorgan Lumber Company | United States | Softwood | Operating | No data yet |
| Mörrum MillPulp millSödra | Sweden | Mixed | Operating | 470 000 t/y pulp |
| Mosser Holzindustrie WolfpassingSawmillMosser Holzindustrie | Austria | Softwood | Operating | 165 000 m3/y sawn timberestimated from 330 000 m3/y log intake |
| Mt. Adams Forest Products BingenSawmillMt. Adams Forest Products (WKO) | United States | Softwood | Operating | 170 000 m3/y sawn timber |
| MTO George SawmillSawmillMTO Forestry | South Africa | Softwood | Operating | 53 000 m3/y sawn timberestimated from 105 000 m3/y log intake |
| Mucuri MillPulp millSuzano S.A. | Brazil | Hardwood | Operating | 1 730 000 t/y pulp |
| Multian SahaSawmillMultian Saha Oy | Finland | Softwood | Operating | 50 000 m3/y sawn timber |
| Munksund Paper MillPulp millSCA | Sweden | Mixed | Operating | 380 000 t/y pulp |
| Munro SawmillsSawmillMunro Sawmills Ltd | United Kingdom | Softwood | Operating | No data yet |
| Murray Timber Group BallonSawmillMurray Timber Group | Ireland | - | Operating | No data yet |
| Murray Timber Group BallygarSawmillMurray Timber Group | Ireland | Softwood | Operating | 300 000 m3/y sawn timberestimated from 600 000 m3/y log intake |
| N K Lundströms TrävarorSawmillN K Lundströms Trävaror AB | Sweden | Softwood | Operating | No data yet |
| Nackawic MillPulp millAditya Birla Group | Canada | Hardwood | Operating | 200 000 t/y pulp |
| Nanchang MillPulp millJiangxi Chenming Paper Co., Ltd | China | - | Operating | 350 000 t/y pulp |
| Nantong MillPulp millOji Holdings | China | Hardwood | Operating | 700 000 t/y pulp |
| Navia BiofactoryPulp millEnce S.A. | Spain | Hardwood | Operating | 685 000 t/y pulp |
| Navigator Cacia MillPulp millNavigator Pulp Cacia, S.A. | Portugal | - | Operating | 320 000 t/y pulp |
| Navigator Setubal MillPulp millThe Navigator Company | Portugal | - | Operating | 550 000 t/y pulp |
| Nechako Lumber (Vanderhoof)SawmillNechako Lumber Co. | Canada | Softwood | Operating | 343 000 m3/y sawn timber |
| Nettingsdorf MillPulp millSmurfit Westrock Nettingsdorf AG & Co KG | Austria | Softwood | Operating | No data yet |
| Neuschmied Holz HopfgartenSawmillNeuschmied Holz GmbH | Austria | Softwood | Operating | 66 000 m3/y sawn timberestimated from 132 000 m3/y log intake |
| Neusiedler MillPulp millMondi Group | Austria | Softwood | Operating | No data yet |
| New Bern MillPulp millGlobal Cellulose Fibers | United States | Softwood | Operating | No data yet |
| NewLife Forest Restoration BellemontSawmillNewLife Forest Restoration | United States | Softwood | Operating | No data yet |
| Ngodwana MillPulp millSappi Limited | South Africa | Mixed | Operating | 340 000 t/y pulp |
| Niagara Sawmilling SouthlandSawmillNiagara Sawmilling Company | New Zealand | Softwood | Operating | No data yet |
| Niigata MillPulp millHokuetsu Kishu Paper Co., Ltd. | Japan | Softwood | Operating | 700 000 t/y pulp |
| Ningbo Asia MillPulp millNingbo Asia Pulp & Paper Co., Ltd. | China | Hardwood | Operating | No data yet |
| Nordanå TräSawmillNordanå Trä AB | Sweden | Softwood | Operating | 67 500 m3/y sawn timber |
| Nordwood AegviiduSawmillAS Aegviidu Puit | Estonia | Softwood | Operating | 86 000 m3/y sawn timber |
| Nordwood ViiratsiSawmillAS Viiratsi Saeveski | Estonia | Softwood | Operating | No data yet |
| Nordwood Viru-NigulaSawmillAS Viru-Nigula Saeveski | Estonia | Softwood | Operating | No data yet |
| Nørlund SavværkSawmillNorlund A/S | Denmark | Softwood | Operating | 90 000 m3/y sawn timberestimated from 180 000 m3/y log intake |
| NorSask Forest Products (Meadow Lake)SawmillNorSask Forest Products LP | Canada | Softwood | Operating | 238 000 m3/y sawn timber |
| Norske Skog SkognPulp millNorske Skog | Norway | Softwood | Operating | No data yet |