BU
- -Bu
- Art Blakey
- BRAC University
- Backup
- Bahria University
- Baker University
- Bangalore University
- Bangkok University
- Bangladesh University
- Bangor University
- Barisal University
- Barry University
- Baylor University
- Belhaven University
- Bellarmine University
- Bellevue University
- Belmont University
- Benadir University
- Benha University
- Bentley University
- Bethel University (Indiana)
- Bethel University (Minnesota)
- Bethel University (Tennessee)
- Bethesda University
- Bethesda unit
- Bharathiar University
- Bharathidasan University
- Bhavnagar University
- Bicol University
- Bilkent University
- Binghamton University
- Biola University
- Biological unit
- Birmingham University
- Bishop's University
- Bloomsburg University of Pennsylvania
- Bluffton University
- Boston University
- Botho University
- Bournemouth University
- Boğaziçi University
- Braathens ASA
- Bradley University
- Brandeis University
- Brandman University
- Brandon University
- Brenau University
- Brescia University
- British United Shoe Machinery
- Brown University
- Brunel University
- Bryant University
- Bu (instrument)
- Bu (surname)
- Bu Yunchaokete
- Bu language
- Bu, Kasih Suci
- Bucknell University
- Bugema University
- Builder (US Navy)
- Bulgaria
- Bundelkhand University
- Burma
- Bushel
- Bushnell University
- Business unit
- Busitema University
- Busoga University
- Butler University
- Buu (disambiguation)
- Bû
- Bücker Flugzeugbau
- Chinese units of measurement
- Classifying space for U
- Classifying space for U(n)
- Hong Kong Baptist University
- Japanese units of measurement
- Kilowatt-hour
- University of Belgrade
- Wyre, Orkney