Birgit Collin-Langen (born 4 September 1956) is a German politician who served as Member of the European Parliament (MEP) from 2012 until 2019.

Between 1993 and 1996, Collin-Langen headed the department for legal affairs and human resources at the Investment and Economic Development Bank of Rhineland-Palatinate (ISB).

Ahead of the 2011 state elections, she was part of Julia Klöckner's campaign team and served as shadow minister of justice and internal affairs.

In August 2018, Collin-Langen announced that she would not stand in the 2019 European elections but instead resign from active politics by the end of the parliamentary term.

Together with MEPs Lena Kolarska-Bobińska and Kinga Gál they are alleged to have used a 50-seat bus to go shopping during an official delegation trip to Kolkata.