The third and final season of the American superhero television series Batwoman was announced in February 2021 and premiered on The CW on October 13, 2021.

It stars Javicia Leslie, Rachel Skarsten, Meagan Tandy, Nicole Kang, Camrus Johnson, Robin Givens, Victoria Cartagena, and Nick Creegan.

Rachel Skarsten, Meagan Tandy, Nicole Kang and Camrus Johnson also return as Beth Kane / Alice, Sophie Moore, Mary Hamilton and Luke Fox / Batwing respectively;[19][16] however, Dougray Scott did not return as Jacob Kane.

[20] In July 2021, Robin Givens, Victoria Cartagena, and Nick Creegan were cast as new series regulars for the third season, as Jada Jet, Renee Montoya, and Marquis Jet, respectively; Cartagena had previously played Montoya on Fox's Gotham.

[16][15][21] In August 2021, Bridget Regan was cast in the recurring role of Pamela Isley / Poison Ivy.