Fabienne Keller (born 20 October 1959 in Sélestat, Bas-Rhin) is a French politician who has been serving as a Member of the European Parliament since 2019.

In this capacity, she made headlines when she voted against her party's line and supported 2013 legislation introducing same-sex marriage in France.

[6] In the Republicans' 2016 presidential primaries, Keller endorsed Alain Juppé as the party's candidate for the office of President of France.

[8] Under the leadership of party chairman Franck Riester, she has since been serving as deputy chair alongside Frédéric Lefebvre, Laure de La Raudière and Claude Malhuret.

In addition to her committee assignments, she is part of the Parliament's delegations for relations with the Mashreq countries and to the Parliamentary Assembly of the Union for the Mediterranean.