420
420 may refer to:
Science and technology
- 420 (number), in mathematics
- 420 Bertholda, a main-belt asteroid
- 4:2:0, a chroma subsampling layout
Cannabis culture
- 420 (cannabis culture), informal reference to cannabis use and celebrations on April 20
- California Senate Bill 420 or the Medical Marijuana Program Act
- "420" (Family Guy), an episode of Family Guy
- "4-2-0" (song), a song by Kottonmouth Kings from Rollin' Stoned
Dates
Other uses
- 4-2-0, a classification of steam locomotives
- 420 (dinghy), a class of double-handed racing sailboats
- "4:20", a song by Six Feet Under on the 1997 album Warpath
- Section 420 of the Indian Penal Code, a law against cheating and dishonesty
- +420, calling code of Czech Republic