Spider orchid typically refers to the orchid genus Caladenia as a whole.
It may also mean one of the following:
- Several Corybas species, including
- Dendrobium tetragonum (Common spider orchid, Tree spider orchid)
- Bartholina burmanniana
- Several Ophrys species, including
- Ophrys fuciflora (Late spider orchid)
- Ophrys sphegodes (Early spider orchid)
- Members of the genus Brassia