Mitterfels is a municipality in the district of Straubing-Bogen in Bavaria, Germany.

Mitterfels is located in the region between the Danube and the Bavarian Forest.

In 1104 the dukes of Bogen founded the Monastery Oberalteich.

At the census in the year 2000, 2,372 inhabitants lived in Mitterfels.

The mayor of the town was Heinrich Stenzel (Community of Independent Voters).