Season 2 refers to a number of seasons from different series:
- Season 2 (Arrow), the second season of Arrow; aired October 9, 2013–May 14, 2014.
- Season 2 (The Flash), the second season of The Flash; aired October 6, 2015–May 24, 2016.
- Season 2 (Vixen), the second season of Vixen; aired October 13, 2016–November 18, 2016.
- Season 2 (DC's Legends of Tomorrow), the second season of DC's Legends of Tomorrow; began airing October 13, 2016.