B117 most often refers to B.1.1.7, a variant of COVID-19 virus SARS-CoV-2.
Look up B.1.1.7 in Wiktionary, the free dictionary.
B117 may also refer to:
- B. 117, a musical composition by Dvořák
- ASTM B117, a corrosion standard
- Blériot 117 (B-117), a 1920s airplane