Günter Friedrich Weiler (born 27 April 1951 in Duisburg, West Germany) is a retired lieutenant general of the German Army, the Bundeswehr.

In 1992, he returned to the Federal Ministry of Defense in Bonn, where he served from 1992 until 1994 as press secretary for Lieutenant General Helge Hansen, who was the Inspector-General of the German Army.

In 1998, during this assignment, he deployed overseas with SFOR in Bosnia and Herzegovina, where he served as commander of the Multinational Brigade Centre in Rajlovac.

Promoted to lieutenant general in 2006, Weiler was then assigned as the Deputy Inspector-General of the Army until autumn 2010.

On 3 October 2010, at a ceremony in Berlin, Weiler represented the Bundeswehr for the presentation of the Quadriga Award.