Rottenegg[needs IPA] is a village in the municipality of Sankt Gotthard im Mühlkreis, in Upper Austria.

It is named after the now-ruined Rottenegg Castle, just east of the village.

Rottenegg is surrounded by hilly country and is a good area for hiking, with excellent views.

[2] The village puts on the Rottenegg Cultural Summer Program each year, which includes cabarets, concerts and plays.

[1] The village is home to the Mühlviertler Heimatverein Rottenegg, a club that preserves folk dances and songs, and that puts on a play each year.