2 of One should not be confused with 2 in 1 (disambiguation).
| 2 of One | |
| Type: | video |
| Artist: | Metallica |
| Cover: | Metallica - 2 of One cover.jpg |
| Caption: | Cover art by Pushead |
| Genre: | Thrash metal |
| Label: | Elektra |
| Chronology: | Metallica |
| Prev Title: | Cliff 'Em All |
| Prev Year: | 1987 |
| Next Title: | A Year and a Half in the Life of Metallica |
| Next Year: | 1992 |
2 of One is a video album by American heavy metal band Metallica. It was released on June 6, 1989, through Elektra Entertainment and features two versions of the group's first music video, "One", from their fourth studio album ...And Justice for All.
The music video was directed by Bill Pope and Michael Salomon and was filmed in Los Angeles, California. It features clips from Dalton Trumbo's anti-war film Johnny Got His Gun (1971). All parts of 2 of One are included on the DVD The Videos 1989–2004, released in 2006.