420
- 4-2-0
- 4-2-0 (song)
- 420 (Family Guy)
- 420 (cannabis culture)
- 420 (dinghy)
- 420 (number)
- 420 BC
- 420 Bertholda
- 420 IPC (film)
- 420th (disambiguation)
- AD 420
- April 20
- California Senate Bill 420
- Chachi 420
- Czech Republic
- List of highways numbered 420
- Maserati 420
- Mr. 420 (2012 film)
- Section 420 of the Indian Penal Code
- Shree 420
- Uyarthiru 420
- Warpath (Six Feet Under album)