The Valkhof Museum is an archaeology and art museum in Nijmegen, Netherlands.
The museum has existed since 1999, created as a merger between the G. M. Kam museum of archaeology and the Commanderie van St. Jan museum of classical and modern art. The museum's collection includes a large and important collection of local Roman archaeological finds and art.
The museum stands on the edge of the Valkhof park, site of a Roman army camp and a citadel built by Charlemagne. The museum's building was designed by Dutch architect Ben van Berkel and was opened on 14 September 1999 by Queen Beatrix.