Dinosaur may also mean:
- Something out of date or left behind by later development.
- Dinosaurs (TV series), a sitcom
- Dinosaur (film), a Disney animated feature
- DINOSAUR, a thrill ride at Disney's Animal Kingdom in Walt Disney World, Lake Buena Vista, Florida, based on the above feature.
- Dinosaur Jr. is an American indie rock band.
- Dinosaur (album), Dinosaur Jr.'s debut album
- Dempster Dinosaur, a garbage-handling vehicle made by Dempster Brothers
- Dinosaur, a song and single by the band King Crimson
- Dinosaurchestra, an album by Lemon Demon