# Tree (disambiguation)

A tree is a perennial woody plant.
Tree or trees may also refer to:

## Information representation

* Tree structure or tree diagram, a way of representing a hierarchical nature of structure in a graphical form
* Family tree, used in genealogy to show familial relationships
* Decision tree, a tree model of decisions and their consequences
* Dialogue tree, used to generate conversations
* Parse tree, used in linguistics to represent the syntax of sentences

## Mathematics

* Tree (descriptive set theory), a set of finite sequences of elements of X that is closed under subsequences, on a set X
* Tree (graph theory), a connected graph without cycles
* Tree (set theory), like a graph-theory tree, but with a distinguished root, and possibly having chains of transfinite length
* Tree diagram (probability theory), a tree-like representation of a probability space
* TREE, an extremely fast-growing function; see Kruskal's tree theorem

## Computing

* Tree (automata theory)
* Tree (command), a recursive directory listing program that produces a depth indented listing of files
* Tree (data structure), a widely used computer data structure that emulates a tree structure with a set of linked nodes
* Tree network, a type of computer and communication network topology
* Digital tree, prefix tree or trie, a computer science ordered tree data structure

## Film and television

* The Tree (1969 film), an American film directed by Robert Guenette
* The Tree (1993 film), a short film
* The Tree (2001 film), a Singaporean film directed by Daisy Chan
* The Tree (2010 film), an Australian/French film directed by Julie Bertuccelli
* The Tree (2014 film), a Slovenian film directed by Sonja Prosenc
* "The Tree" (King Rollo), a 1980 television episode

## Literature

* Tree (novel), a 1978 historical novel by F. Sionil José
* "Trees" (poem), a 1913 poem by Joyce Kilmer
* The Trees (Richter novel), a 1940 novel by Conrad Richter
* The Tree (book), an autobiographical book by John Fowles
* The Tree (play), a 1957 play by Stella Jones
* "The Tree" (short story), a short horror story by H. P. Lovecraft
* Ms. Tree, a comic book and the title character
* Trees (comics), a science fiction comic book series by Warren Ellis and Jason Howard
* Trends in Ecology and Evolution, a scientific journal
* Our Father Who Art in the Tree, a 2002 novel by Judy Pascoe, reprinted in 2010 as simply The Tree
* The Trees (Everett novel), a 2022 novel by Percival Everett

## Music
### Bands

* Trees (band), British folk band

### Albums

* Trees (Avantdale Bowling Club album), 2022
* Tree (Gaelic Storm album), 2001
* Tree (Johnny Duhan album), 2002
* Tree (TVXQ album), 2014
* Tree (Sekai no Owari album),2015
* The Tree (album), 2018

### Songs

* "Trees", a 1961 song by the Platters
* "Trees", a song by Twenty One Pilots from the album Vessel, 2013
* "The Trees" (Rush song), a 1978 song by Rush
* "The Trees" (Pulp song), a 2001 song by Pulp
* "The Trees", a song by Autechre from the album Untilted, 2005
* "Trees", a 2011 song by Twenty One Pilots

## Paintings

* The Tree, a 1910 painting by Albert Gleitzes

## People

* Tree (surname), a surname (including a list of people with the name)
* Keith "Tree" Barry (born 1964), American musician
* Tree Gelbman, a fictional character in Happy Death Day and its sequel, Happy Death Day 2U
* Lavon "Tree" Mercer (born 1959), American-Israeli basketball player
* Tree Rollins (born 1955), American basketball player

## Other uses

* Tree (dominoes), a domino game in which every double is a spinner
* Tree (Wu Xing), the first movement in Wu Xing philosophy
* Tree River, a Canadian river
* Sacred tree, a tree believed to be sacred
* Stanford Tree, unofficial mascot of Stanford University
* The Tree (tonewood), a famous very large mahogany tree felled in Honduras, renowned for its highly-figured grain and popular with luthiers for guitar sides and backs
* Trees Dallas, a live music venue in the Deep Ellum district of Dallas, Texas
* Tree (installation), an art installation in Paris, France
* Shoe tree, a device for storing shoes
* Tree, the wooden understructure of a horse's saddle
* Tree model, about language family trees in historical linguistics