Bühne is a village and constituent community (Stadtteil) of the East Westphalian town Borgentreich in Höxter district and Detmold region in North Rhine-Westphalia, Germany.

With 23 km² it is the second largest constituent community of Borgentreich.

It was one of the fortified castles of the nobility of the Prince-Bishopric of Paderborn.

Piun is a Bavarian dialect version of Bühne that was used by the author of that document, the head of administration of King Arnulf.

[1] On 1 January 1975, Bühne was integrated into the city of Borgentreich as a constituent community.