Gerhardine Ruth Peetoom (born 25 July 1967) is a Dutch politician of the Christian Democratic Appeal (CDA).

She was the party chair of the Christian Democratic Appeal between 2 April 2011 and 9 February 2019.

Being a preacher of the Protestant Church in the Netherlands (PKN),[1] she has been employed at the St. Nicholaschurch (Nicolaïkerk) in Utrecht since 2006.

In 2010 she was vice-chair of the Frissen Commission,[3] which investigated the CDA's huge loss in the 2010 Dutch general election.

In April 2011 she was elected Party Chair of the Christian Democratic Appeal with over 60% of votes.