A colonel is a military rank, the most senior officer rank of a fighting organisation below the rank of general. In comparison to naval ranking systems, colonel is equivalent to the rank of captain.

Colonel Chester Bonestell was commander of the clone brigade at Moonbase Wilson and sacrificed himself in an attempt to prevent Rylo-7 crashing into the Earth.

Colonel Elaina Koblatz was a member of Team Europa, who took part in the Operation Reach Out mission.