Neubeuern () is a municipality in the Rosenheim district of the Upper Bavaria region, in the German state of Bavaria. It lies on the river Inn.
Neubeuern was first mentioned in a document in 788. Since the 12th century, there has been a castle in Neubeuern, which is now Castle Neubeuern. During the Nazi era, the castle was a National Socialist political special school and from May 1942 until the fall of Nazi Germany, the site of a National Political Institute of Education. Today there is a residential school in the castle.