BU, Bu and variations may refer to:
==In business== Business unit, a division within a company, as in strategic business unit Braathens ASA (IATA airline designator) British United Shoe Machinery, Leicester UK Bücker Flugzeugbau, a German aircraft manufacturer whose planes were designated 'Bü'
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).