- Otis, Elisha Graves Otis - United States inventor who manufactured the first elevator with a safety device (1811-1861)
--1 is a kind of inventor, discoverer, artificer; industrialist
- Otis, genus Otis - type genus of the Otididae: European bustard
--2 is a kind of bird genus
--2 is a member of Otididae, family Otididae
--2 has members: great bustard, Otis tarda