Antje Kapek (born 20 September 1976) is a German politician of Alliance 90/The Greens. From 2012 to 2022, she was co-chair of the Greens parliamentary group in the Abgeordnetenhaus of Berlin. She was co-lead candidate in the 2016 Berlin state election alongside Ramona Pop, Bettina Jarasch, and Daniel Wesener.