UBO offers over 250 courses in different departments and faculties:
- Institute of Higher National Teacher Training and Education of Brittany (INSPÉ)
- Graduate School of Management (IAE)
- Training Institute for Civil Service Careers (IPAG)
- University Institute of Technology, Brest (IUT Brest)
- University Institute of Technology, Quimper (IUT Quimper)
- European Institute for Marine Studies (IUEM)
- Physiotherapy Training Institute (IFMK) in partnership with the University Hospital of Brest (CHRU)
- European Institute of Actuarial Studies (EURIA) of the Faculty of Science and Technology
- Atlantic Brittany Higher Education College for Agri-food Engineers (ESIAB)
- School of Midwifery of Brest in partnership with the University Hospital of Brest (CHRU)
- Arts, Humanities and Languages (ALL)
- Biology Health Graduate School (BS)
- Law and Political Sciences Graduate School (DSP)
- Ecology, Geosciences, Agronomy, Food Graduate School (EGAAL)
- Education, Languages, Interaction, Cognition, Clinical Sciences Graduate School (ELICC)
- Matter, Molecules and Materials Graduate School (3M)
- Mathematics and Information and Communication Sciences and Technology (ICST) Graduate School (MathSTIC)
- Marine and Coastal Sciences Graduate School (SML)
- Economics and Management Sciences Graduate School (EDGE)
- Engineering Sciences Graduate School (SPI)
- Society, Time, Territories Graduate School (STT)