Ratchet
- Double Ratchet Algorithm
- John Seward Johnson III
- Kreayshawn
- List of The Transformers characters
- Millionaires (group)
- Nurse Ratched
- Ratched (TV series)
- Ratchet (Robots)
- Ratchet (album)
- Ratchet (device)
- Ratchet (instrument)
- Ratchet (slang)
- Ratchet (song)
- Ratchet Gearloose
- Ratchet effect
- Red Lantern Corps
- RnBass
- Widget the World Watcher