Umbrella Biohazard Countermeasure Service is the private military company owned by Umbrella Corporation in the Resident Evil franchise.
It could refer to the following:
- "Umbrella Biohazard Countermeasure Service", an Umbrella organization in Capcom's prime universe, seen in Resident Evil 3: Nemesis.
- "Umbrella Biohazard Countermeasure Service" - the S.D. Perry iteration of the above, seen in Resident Evil: Nemesis.
- "Umbrella Biohazard Countermeasure Service" - the Anderson iteration of the UBCS seen in Resident Evil: Apocalypse.
- Umbrella Biohazard Countermeasure Service, an organisation in the Resident Evil: Operation Raccoon City universe.