420

• 420 (number), in mathematics
• 420 Bertholda, a main-belt asteroid
• 4:2:0, a chroma subsampling layout

• 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

• AD 420, a year in the 5th century of the Julian calendar
• 420 BC, a year
• April 20

• 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 IPC (film), a 2021 Indian Hindi-language crime thriller film
• Chachi 420, a 1997 Indian Hindi-language comedy-drama film, starring Kamal Haasan
• Mr. 420 (2012 film), an Indian Kannada-language romantic comedy film
• Shree 420, a 1955 Indian Hindi-language comedy-drama film, starring Raj Kapoor
• Uyarthiru 420, a 2011 Indian Tamil-language film
• +420, calling code of the Czech Republic
• Maserati 420, a saloon

• 420th (disambiguation)
• List of highways numbered 420

{{Numberdis}}