O7

O7 may refer to:

O7 star, a subclass of O-type stars
Shell star
LNER Class O7, a class of British steam locomotives
OzJet (IATA airline code ), Australian airline
o7, an emoticon for a person saluting
O-7, a pay grade in the US uniformed services:
Brigadier General in the Army, Marine Corps, Air Force, and Space Force
Rear admiral (lower half) in the Navy, Coast Guard, Public Health Service Commissioned Corps, and NOAA Commissioned Officer Corps
Otoyol 7, a motorway in Turkey that bypasses Istanbul.

See also