4/20 may refer to:
- April 20, events that happened on the 20th day of the 4th month in the Gregorian calendar.
- 420 (cannabis culture), code-term that refers to the consumption of cannabis.
This disambiguation page lists articles associated with the same number.
If an internal link led you here, you may wish to change the link to point directly to the intended article.
If an internal link led you here, you may wish to change the link to point directly to the intended article.