Polish forests cover about 30% of Poland's territory, and are mostly owned by the state. Western and northern parts of Poland as well as the Carpathian Mountains in the extreme south, are much more forested than eastern and central provinces. The most forested administrative districts of the country are: Lubusz Voivodeship (48,9%), Subcarpathian Voivodeship (37,2%), and Pomeranian Voivodeship (36,1%). The least forested are: Łódź Voivodeship (21%), Masovian Voivodeship (22,6%), and Lublin Voivodeship (22,8%).

State Forests is a Polish governmental organization that manages state-owned Polish forests on behalf of the Polish State Treasury. The organization does not have a legal personality and is required to be financially self-sufficient.
Augustów Primeval Forest or Augustów Forest is a large virgin forest complex located in Poland as well as in northern Belarus and southeastern Lithuania. The forest covers about 1,600 square kilometres, of which 1,140 square kilometres is in Poland.

The Baltic mixed forests is an ecoregion in Europe along the southwestern coasts of the Baltic Sea. The name was coined by the European Environment Agency and the same geographical area is designated as "Northern Europe: Germany, Denmark, Sweden, and Poland" ecoregion by the WWF.
Białowieża Forest is one of the last and largest remaining parts of the immense primeval forest that once stretched across the European Plain. The forest is home to 800 European bison, Europe's heaviest land animal. UNESCO's Man and the Biosphere Programme designated the Polish Biosphere Reserve Białowieża in 1976 and the Belarusian Biosphere Reserve Belovezhskaya Puschcha in 1993. In 2015, the Belarusian Biosphere Reserve occupied the area of 216,200 ha, subdivided into transition, buffer and core zones. The forest has been designated a UNESCO World Heritage Site and an EU Natura 2000 Special Area of Conservation. The World Heritage Committee by its decision of June 2014 approved the extension of the UNESCO World Heritage site "Belovezhskaya Pushcha/Białowieża Forest, Belarus, Poland", which became "Białowieża Forest, Belarus, Poland". It straddles the border between Poland and Belarus, and is 70 kilometres north of Brest, Belarus and 62 kilometres southeast of Białystok, Poland. The Białowieża Forest World Heritage site covers a total area of 141,885 ha . Since the border between the two countries runs through the forest, there is a border crossing available for hikers and cyclists.

The Central European mixed forests ecoregion is a temperate hardwood forest covering much of northeastern Europe, from Germany to Russia. The area is only about one-third forested, with pressure from human agriculture leaving the rest in a patchwork of traditional pasture, meadows, wetlands. The ecoregion is in the temperate broadleaf and mixed forest biome, and the Palearctic realm, with a Humid Continental climate. It covers 731,154 km2 (282,300 sq mi).
The Crooked Forest is a grove of oddly-shaped pine trees located near the town of Gryfino, West Pomerania, Poland.

The Forest of Szpęgawsk is situated west of the village of Szpęgawsk in the administrative district of Gmina Starogard Gdański, within Starogard County, Pomeranian Voivodeship, in northern Poland.

Janów Forests Landscape Park,, is a Polish Landscape Park designated protected area in southeastern Poland.

Kampinos Forest is a large forest complex located in Masovian Voivodeship, west of Warsaw in Poland.

Kleczanów Forest is a small Polish forest complex in the vicinity of Kleczanów village in Sandomierz County, Poland. It is known for featuring an ancient site of 37 Slavic kurgans 4–10 metres high.

Knyszyn Forest is a vast forest complex (second in size after the Białowieska Forest in the Podlasie Lowland located in the Białystok Upland in the Podlasie Voivodship. The forests cover there areas of the frontal moraine, and the Supraśl River flows along the tributary of Sokołda. Supraśl is the seat of the Knyszyńska Forest Landscape Park.
Knyszyn Forest Landscape Park, also known as Puszcza Knyszyńska Landscape Park is a protected area in Knyszyn Forest which is located Podlaskie Voivodeship of northeastern Poland.

Krajna is a forested historical region in Poland, situated in the border area between the Greater Poland, Kuyavian-Pomeranian and Pomeranian Voivodeships. The region consists of parts of Złotów, Piła, Sępólno, Nakło, Bydgoszcz and Człuchów counties, namely the urban gmina of Złotów, the rural gmina of Złotów and the urban-rural gminas of Krajenka, Wysoka, Wyrzysk, Łobżenica, Kamień Krajeński, Sępólno Krajeńskie, Więcbork, Nakło nad Notecią, Koronowo and Debzno. The name of Krajna is derived from the Slavic word for borderland, cf. Krajina.
Lower Silesian Forest is the largest continuous forest of Poland, with total area of 1650 square kilometers. It is located in southwestern Poland, in the Lower Silesian Voivodeship and the Lubusz Voivodeship, near border with Germany. Western boundary of the forest is made by the Nysa Łużycka, behind which spreads a German forest, Muskauer Heide. It is mostly covered by pine trees.

Łuków Forest is the largest forest complex in South Podlachia Plain near Łuków in eastern Poland. Krzna river flows out of the forest. The complex has an area of 105 square kilometres (41 sq mi)

Niepołomice Forest is a large forest complex in western part of Sandomierz Basin, about 20 km east of Kraków (center). It is made up of a few protected areas which used to constitute a single virgin forest originally. Niepołomice Forest occupies an area between Vistula and Raba rivers. The main complex covers about 110 km2 (42 sq mi). It is situated between the towns of Niepołomice, Baczków, Krzyżanowice and Mikluszowice.

Oliwa forests are forests located in Gdańsk.

Puszcza Biała is the name given to the forest that extends in Poland from Pułtusk to Ostrów Mazowiecka. It is part of the Mazovian lowlands and consists of small trees, mostly pine.

Puszcza Darżlubska or Lasy Piaśnickie located in northernmost part of Poland, is a Polish forests complex on the Baltic Sea, within the geographical region of Pobrzeże Kaszubskie; on the south-side bordering the Tricity Landscape Park from which it is separated by the Reda river. Inside Darżlubie Forest there are two nature reserves. The wilderness is also the source of two rivers: Piaśnica and Gizdepka. The name of Puszcza Darżlubska comes from the nearby village of Darżlubie in the administrative district of Gmina Puck, north of Gdańsk.

Puszcza Kurpiowska or Kurpiowska Forest, is the collective name of Poland's two wilderness areas: Puszcza Biała and Puszcza Zielona, located in the central basin of Narew and Kurpiowska Plain. It is bound by the rivers: Pisa (east), Narew (south) and Orzyc (west). The north-end reaches the former border with East Prussia.

Puszcza Piska Forest or the Pisz Forest is the largest forest complex of the Masuria region in northern Poland, adjacent to the Masurian Landscape Park, and the Masurian Lowlands. Formerly known as the Jańsborska wilderness, Puszcza Piska bears the name of the Pisa river bordering the Forest along its west bank.

Puszcza Zielona is a forest in Poland which extends from the Narew River and the border of what was once East Prussia. It is bounded on the east by the Pisa River and on the west by the Orzyc River. The forest lies in a lowland and contains a wet sandy soil, but it is rich in various minerals which are mined.
Puszcza Zielonka Landscape Park is a protected area situated to the north-east of the city of Poznań in Greater Poland Voivodeship, Poland. It was set up in 1993 and covers an area of 114 square kilometres (44 sq mi). It is made up of parts of the gminas of Czerwonak, Kiszkowo, Murowana Goślina, Pobiedziska and Skoki. It consists mainly of the Puszcza Zielonka forest. It includes five nature reserves, several lakes, and villages including Zielonka, Kamińsko, Dąbrówka Kościelna, Głęboczek, Łopuchówko and Tuczno. The highest point is Dziewicza Góra, in the south-west of the park, with a height of 143 metres (469 ft). At the top of this hill there is an observation tower, used especially for observing possible fires in the surrounding forest, but also seasonally opened to the public as a viewing tower.
Romincka Forest, also known as Krasny Les or Rominte Heath, is an extended forest and heath landscape stretching from the southeast of Russian Kaliningrad Oblast to the northeast of Polish Warmian-Masurian Voivodeship. The palaearctic ecoregion is part of the Taiga and boreal forests biome.
Sandomierz Forest is one of the biggest forests in southern Poland; covering large parts of the Sandomierz Basin. Its name comes from the historical city of Sandomierz, and in the Middle Ages its eastern edge created a natural border between Lesser Poland and Red Ruthenia.

Silesian Przesieka, literally Silesian Cutting was a densely forested, uninhabited and unpassable strip of land in the middle of Silesia, spreading from Golden Mountains in the south, along the Nysa Kłodzka to the Odra, and then along the Stobrawa, reaching the towns of Namysłów and Byczyna in northern Silesia. Originally, the Silesian Cutting was a boundary, separating territories of two Western Slavic tribes, the Slezanie and the Opolanie. In the 12th century, along the Cutting a border of Lower Silesia and Upper Silesia was established.

Solska Forest is a large forest complex in southern part of the Lublin Voivodeship, about 100 km south of Lublin, Poland. It occupies an area north of the San and south of the Roztocze Upland. The forest is mostly made of coniferous trees, part of them having been artificially planted. Its total area is 1240 km², which makes it the second largest forest of Poland. Until the late Middle Ages, the Solska Forest was connected with another huge complex, the Sandomierz Forest, but deforestation separated these two complexes from each other.

Świerklaniec is a village in Tarnowskie Góry County, in the Silesian Voivodeship of southwestern Poland. Formerly, from 1975—1998, Świerklaniec was a part of the Katowice Voivodeship.

The Tuchola Forest, also known as Tuchola Pinewoods, is a large forest near the town of Tuchola in northern Poland, which lies between the Brda and Wda Rivers, within the Gdańsk Pomerania region. It contains the Tuchola Forest National Park, which is at the core of the Tuchola Forest Biosphere Reserve, designated by UNESCO in 2010.
Ueckermünde Heath is a large area of forest and heath, 1,000 km² in area, in northeastern Germany and northwestern Poland, on the Oder river and the Szczecin Lagoon. In 1945, the eastern part went to Poland and is now called the Puszcza Wkrzańska. Świdwie Lake near Tanowo is the site of a nature reserve and Ramsar site.
Ueckermünde Heath is a large area of forest and heath, 1,000 km² in area, in northeastern Germany and northwestern Poland, on the Oder river and the Szczecin Lagoon. In 1945, the eastern part went to Poland and is now called the Puszcza Wkrzańska. Świdwie Lake near Tanowo is the site of a nature reserve and Ramsar site.