Amersfoort Jazz is an annual open air jazz festival in the Dutch city of Amersfoort. The festival has eight stages all over the old part of the inner city of Amersfoort, and is traditionally held in the second weekend of May. It is a large free three-day event, and it attracts over 100,000 visitors every year.
The 2011 edition will be held on 13, 14 and 15 May. The event in 2013 is scheduled to be the 34th edition.