Washington may refer to:
People[]
- Washington Marcondes-Ferreira (1952-): a botanist that studies seed-plants. Often abbreviated as Marc.-Ferr.
Plants[]
- Washingtonia: a genus of palm trees.
- Washington (Giant Forest): a named giant sequoia that was the 2nd largest tree until it collapsed.
- Washington (Mariposa Grove): a named giant sequoia that holds the position of 17th largest giant sequoia.