CB2 or similar, may refer to:
Cannabinoid receptor type 2 Crash Bandicoot 2: Cortex Strikes Back, a video game developed by Naughty Dog for PlayStation CB2, a division of Crate & Barrel Child-robot with Biomimetic Body - a Robot at the Osaka University that mimics infant learning. USS Guam (CB-2)
See also
CB (disambiguation) CBB (disambiguation)
pt:CB2