| Pleasant River Lumber Jackman (Moose River)SawmillFontaine Lumber (f.d. Pleasant River Lumber) | United States | Softwood | Operating | No data yet |
| Pölkky KajaaniSawmillPfeifer Nordics Oy (f.d. Pölkky Oy) | Finland | Softwood | Operating | 450 000 m3/y sawn timber |
| Pölkky KuusamoSawmillPfeifer Nordics Oy (f.d. Pölkky Oy) | Finland | - | Operating | No data yet |
| Pölkky TaivalkoskiSawmillPfeifer Nordics Oy (f.d. Pölkky Oy) | Finland | - | Operating | 300 000 m3/y sawn timber |
| Pollmeier AschaffenburgSawmillPollmeier Massivholz GmbH & Co. KG | Germany | Hardwood | Operating | No data yet |
| Pollmeier CreuzburgSawmillPollmeier Massivholz GmbH & Co. KG | Germany | Hardwood | Operating | 162 500 m3/y sawn timberestimated from 325 000 m3/y log intake |
| Pollmeier MalchowSawmillPollmeier Massivholz GmbH & Co. KG | Germany | Hardwood | Operating | 150 000 m3/y sawn timberestimated from 300 000 m3/y log intake |
| Pöls MillPulp millHeinzel Group | Austria | Softwood | Operating | 460 000 t/y pulp production |
| PoltarexSawmillPrzedsiębiorstwo Przemysłu Drzewnego "Poltarex" Sp. z o.o. | Poland | - | Operating | 130 000 m3/y sawn timber |
| Pontevedra MillPulp millEnce S.A. | Spain | Hardwood | Operating | 515 000 t/y pulp production |
| Pontrilas SawmillsSawmillPontrilas Sawmills Ltd | United Kingdom | Mixed | Operating | 200 000 m3/y sawn timber |
| Porcupine Wood Products (Salmo)SawmillPorcupine Wood Products Ltd. | Canada | Softwood | Operating | 50 934 m3/y sawn timber |
| Port Alberni MillPulp millDomtar Corporation | Canada | Softwood | Operating | 330 000 t/y pulp production |
| Port Hawkesbury MillPulp millPort Hawkesbury Paper Limited Partnership | Canada | Softwood | Operating | 650 000 t/y pulp production |
| Port Mellon MillPulp millPaper Excellence | Canada | Softwood | Operating | 380 000 t/y pulp production |
| Port Wentworth MillPulp millGlobal Cellulose Fibers | United States | Softwood | Operating | 300 000 t/y pulp production |
| Posch-Holz KaindorfSawmillPosch-Holz | Austria | - | Operating | 25 000 m3/y sawn timberestimated from 50 000 m3/y log intake |
| PotlatchDeltic BemidjiSawmillRayonier (f.d. PotlatchDeltic) | United States | Softwood | Operating | 237 691 m3/y sawn timber |
| PotlatchDeltic OlaSawmillRayonier (f.d. PotlatchDeltic) | United States | Softwood | Operating | 254 669 m3/y sawn timber |
| PotlatchDeltic St. MariesSawmillRayonier (f.d. PotlatchDeltic) | United States | Softwood | Operating | 314 092 m3/y sawn timber |
| PotlatchDeltic WaldoSawmillRayonier (f.d. PotlatchDeltic) | United States | Softwood | Operating | 466 893 m3/y sawn timber |
| PotlatchDeltic WarrenSawmillRayonier (f.d. PotlatchDeltic) | United States | Softwood | Operating | 373 514 m3/y sawn timber |
| Prattville MillPulp millInternational Paper | United States | - | Operating | No data yet |
| Prehofer Holz RutzenmoosSawmillPrehofer Holz | Austria | - | Operating | 40 000 m3/y sawn timberestimated from 80 000 m3/y log intake |
| Prestacion de Servicios Luis Flores GonzalezSawmillPrestacion de Servicios Luis Flores Gonzalez EIRL | Chile | - | Operating | No data yet |
| Priangarsky LPKSawmillPriangarsky Timber Processing Complex | Russia | Softwood | Operating | 460 000 m3/y sawn timber |
| Prince George MillPulp millCanfor Pulp | Canada | Mixed | Closed 2023 | 300 000 t/y pulp production |
| Procesadora de Maderas Los AngelesSawmillProcesadora de Maderas Los Angeles S.A. | Chile | Softwood | Operating | No data yet |
| Produits forestiers Petit ParisSawmillProduits forestiers Petit Paris Inc. | Canada | - | Closed | No data yet |
| PRP TomasovceSawmillPRP s.r.o. | Slovakia | Softwood | Operating | 350 000 m3/y sawn timberestimated from 700 000 m3/y log intake |
| PT Indah Kiat Pulp & Paper (Perawang)Pulp millPT Indah Kiat Pulp & Paper | Indonesia | Hardwood | Operating | 3 000 000 t/y pulp production |
| PT OKI Pulp & Paper MillsPulp millAsia Pulp & Paper (APP) | Indonesia | Mixed | Operating | 2 800 000 t/y pulp production |
| Puma UnitPulp millKlabin S.A. | Brazil | Mixed | Operating | 1 500 000 t/y pulp production |
| Pyramid Mountain Lumber Seeley LakeSawmillPyramid Mountain Lumber | United States | - | Closed | No data yet |
| R.G. Holz Company (Vișeu de Sus)SawmillR.G. Holz Company SRL | Romania | - | Operating | No data yet |
| Rågsvedens såg (Sveden Trä)SawmillRågsveden-Sveden Trä AB | Sweden | Softwood | Operating | 130 000 m3/y sawn timber |
| Rauma Paper MillPulp millUPM-Kymmene Oyj | Finland | Softwood | Operating | 645 000 t/y pulp production |
| Rauma Pulp MillPulp millMetsä Fibre | Finland | Mixed | Operating | 650 000 t/y pulp production |
| Ray White LumberSawmillRay White Lumber Company | United States | Softwood | Operating | No data yet |
| Red River MillPulp millInternational Paper | United States | Softwood | Closed 2025 | 600 000 t/y pulp production |
| Red Stag Timber Waipa MillSawmillRed Stag Timber | New Zealand | - | Operating | 600 000 m3/y sawn timber |
| Redwood Empire CloverdaleSawmillRedwood Empire | United States | Softwood | Operating | No data yet |
| Remabec ParentSawmillArbec Bois d'oeuvre inc. | Canada | - | Idled 2025 | No data yet |
| Rémabec Rivière-aux-RatsSawmillGroupe Rémabec | Canada | - | Closed | No data yet |
| Resolute Atikokan sawmillSawmillDomtar (f.d. Produits forestiers Résolu) | Canada | - | Operating | No data yet |
| Resolute ComtoisSawmillProduits forestiers Resolu | Canada | - | Idled 2024 | No data yet |
| Resolute GirardvilleSawmillDomtar (f.d. Produits forestiers Résolu) | Canada | Softwood | Operating | No data yet |
| Resolute Ignace sawmillSawmillDomtar (f.d. Produits forestiers Résolu) | Canada | - | Idled 2026 | No data yet |
| Resolute La DoreSawmillDomtar (f.d. Produits forestiers Résolu) | Canada | - | Operating | No data yet |
| Resolute ManiwakiSawmillProduits forestiers Resolu | Canada | - | Idled | No data yet |