| OneFortyOne Kaituna SawmillSawmillOneFortyOne Nelson (Nelson Forests) | New Zealand | Softwood | Operating | 55 000 m3/y sawn timber |
| Onega LDK (Onega Sawmills)SawmillOnega Sawmills | Russia | Softwood | Operating | No data yet |
| Orasko UtajärviSawmillOrasko Oy | Finland | Softwood | Operating | 200 000 m3/y sawn timber |
| Ortner-Holz TragweinSawmillOrtner-Holz | Austria | - | Operating | 31 000 m3/y sawn timberestimated from 62 000 m3/y log intake |
| Ošukalns KokzāģētavaSawmillSIA Ošukalns | Latvia | Hardwood | Operating | 25 000 m3/y |
| P.F.A. LozornoSawmillP.F.A. s.r.o. | Slovakia | Softwood | Operating | No data yet |
| PA Savværk (P.A. Træindustri)SawmillP.A. Savværk A/S / P.A. Træindustri ApS | Denmark | Mixed | Operating | No data yet |
| Pacheedaht Anacla Sawmill (Port Renfrew)SawmillPacheedaht Mill | Canada | Softwood | Operating | 276 740 m3/y sawn timber |
| Palfab (GP Wood - Lissarda site)SawmillGP Wood | Ireland | - | Operating | No data yet |
| Pan Pac Milburn (Otago)SawmillPan Pac Forest Products | New Zealand | Softwood | Operating | 100 000 m3/y sawn timber |
| Pan Pac WhirinakiSawmillPan Pac Forest Products | New Zealand | Softwood | Operating | 430 000 m3/y sawn timber |
| Pantsarin SahaSawmillPantsarin Saha Oy | Finland | Softwood | Operating | 12 000 m3/y sawn timber |
| PATA SaldusSawmillAS PATA Saldus | Latvia | - | Operating | No data yet |
| Pauls Holz ZingsheimSawmillPauls Holz | Germany | - | Operating | 50 000 m3/y sawn timberestimated from 100 000 m3/y log intake |
| Perthshire Timber Co / Polney SawmillSawmillPerthshire Timber Company Ltd | United Kingdom | - | Operating | No data yet |
| Pestovo sawmillSawmillLesnaya Innovacionnaya Kompaniya (LIK) | Russia | Softwood | Operating | 260 000 m3/y sawn timber |
| Peter Graggaber UnterbergSawmillPeter Graggaber | Austria | Softwood | Operating | 25 000 m3/y sawn timberestimated from 50 000 m3/y log intake |
| Pfeifer ChanoviceSawmillPfeifer Holz s.r.o. | Czech Republic | Softwood | Operating | 450 000 m3/y sawn timber |
| Pfeifer Holz LauterbachSawmillPfeifer Holz GmbH | Germany | - | Operating | 440 000 m3/y sawn timberestimated from 880 000 m3/y log intake |
| Pfeifer Holz UelzenSawmillPfeifer Holz GmbH | Germany | - | Operating | 190 000 m3/y sawn timberestimated from 380 000 m3/y log intake |
| Pfeifer Holz UnterbernbachSawmillPfeifer Holz GmbH | Germany | - | Operating | 425 000 m3/y sawn timberestimated from 850 000 m3/y log intake |
| Pfeifer KundlSawmillPfeifer Timber GmbH | Austria | - | Operating | 350 000 m3/y sawn timberestimated from 700 000 m3/y log intake |
| Pfeiffle Holz Seewald-SchorrentalSawmillPfeiffle Holz | Germany | Softwood | Operating | 33 500 m3/y sawn timberestimated from 67 000 m3/y log intake |
| Pieper Holz OlsbergSawmillPieper Holz GmbH | Germany | - | Operating | 115 000 m3/y sawn timberestimated from 230 000 m3/y log intake |
| Pila OlomučanySawmillŠkolní lesní podnik Masarykův les Křtiny (Mendelova univerzita v Brně) | Czech Republic | Mixed | Operating | 25 000 m3/y |
| Píla Rosík (Čierny Balog)SawmillPíla Rosík (Ján Rosík) | Slovakia | Softwood | Operating | 35 000 m3/y sawn timberestimated from 70 000 m3/y log intake |
| Pinhoser (Sertã)SawmillPinhoser - Indústria de Madeiras da Sertã, Lda | Portugal | Softwood | Operating | No data yet |
| Piveteau Bois (Sainte-Florence)SawmillPiveteau Bois | France | - | Operating | 250 000 m3/y sawn timber |
| Pleasant River Lumber Dover-FoxcroftSawmillPleasant River Lumber | United States | Softwood | Operating | No data yet |
| Pleasant River Lumber EnfieldSawmillPleasant River Lumber | United States | Softwood | Operating | No data yet |
| 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 |
| PoltarexSawmillPrzedsiębiorstwo Przemysłu Drzewnego "Poltarex" Sp. z o.o. | Poland | - | Operating | 130 000 m3/y sawn timber |
| 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 |
| 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 |
| 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 |
| Procesadora de Maderas Los AngelesSawmillProcesadora de Maderas Los Angeles S.A. | Chile | Softwood | Operating | No data yet |