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 (Supergirl), the second season of Supergirl; aired October 10, 2016 – May 22, 2017.
- Season 2 (DC's Legends of Tomorrow), the second season of DC's Legends of Tomorrow; aired October 13, 2016 – April 4, 2017.
- Season 2 (Freedom Fighters: The Ray), the second season of Freedom Fighters: The Ray; aired July 19, 2018.
- Season 2 (Black Lightning), the second season of Black Lightning; aired October 9, 2018 – March 18, 2019.
- Season 2 (Batwoman), the second season of Batwoman; aired January 17, 2021 - June 27, 2021.
- Season 2 (Superman & Lois), the second season of Superman & Lois; airing January 11, 2022 - June 28, 2022.