Sequoia, Sequoya or Sequoyah refers to a type of tree in the cypress family which includes the redwood trees. By extension the name may refer to:
Science and technology
Sequoioideae, a three-genus subfamily of the cypress family
Sequoia (genus), a genus with one living and several fossil species
Sequoia sempervirens, coast redwood, found along the coast of California and Oregon
Sequoiadendron giganteum (giant sequoia), the sequoia tree found on the slopes of the Sierra Nevada of California
Metasequoia, dawn redwood
The Great Sequoia, a sequoia tree in Vitoria-Gasteiz, Basque Country, Spain
macOS Sequoia, an Apple computer operating system version (2024)
1103 Sequoia, a minor planet
Sequoia (supercomputer), an IBM supercomputer at Lawrence Livermore National Laboratory, US
HFS Plus, an Apple file system codenamed Sequoia
Biology
Sequoioideae, a three-genus subfamily of the cypress family
Sequoia (genus), a genus with one living and several fossil species
Sequoia sempervirens, coast redwood, found along the coast of California and Oregon
Sequoiadendron giganteum (giant sequoia), the sequoia tree found on the slopes of the Sierra Nevada of California
Metasequoia, dawn redwood
The Great Sequoia, a sequoia tree in Vitoria-Gasteiz, Basque Country, Spain
Other science and technology
macOS Sequoia, an Apple computer operating system version (2024)
1103 Sequoia, a minor planet
Sequoia (supercomputer), an IBM supercomputer at Lawrence Livermore National Laboratory, US
HFS Plus, an Apple file system codenamed Sequoia
Arts and entertainment
Old Sequoia, a 1945 American animated short film directed by Jack King
Sequoia (1934 film), an American drama film
Sequoia (2014 film), an American comedy film
Sequoia (comics), a Marvel Comics character
Sequoia (composition), by American composer Joan Tower
"Sequoia", a song by Way Out West from Way Out West
Sequoya (Ream), a bronze sculpture
Sequoya (St. John's University's Literary Magazine)