Redwood is a name used for several species of trees with red or reddish coloured wood; see each species for individual details. It is also used as a place name on its own or in combination, sometimes for places associated with redwood trees but not always.

• Family Cupressaceae (conifers)
  • Sequoia sempervirens - Coast Redwood
  • Sequoiadendron giganteum - Giant Sequoia or Sierra Redwood
  • Metasequoia glyptostroboides - Dawn Redwood

• Family Pinaceae (conifers)
  • The wood of Scots Pine (Pinus sylvestris) is sometimes called 'redwood' in the timber trade.

• Family Fabaceae (broadleaf)
  • Caesalpinia sappan - East Indian Redwood, or Sapanwood tree (first called "brezel wood" in Europe)
  • Caesalpinia echinata - South American Redwood, or Brazilwood tree

• Place names:
  • Redwood, New Zealand
  • Redwood, New York
  • Redwood, Oregon
  • Redwood, Texas
  • Redwood (Ottawa)
  • Redwood City, California
  • Redwood County, Minnesota
  • Redwood Falls, Minnesota
  • Redwood Falls Township, Minnesota
  • Redwood Shores, California