C92 may refer to: Ruy Lopez chess openings ECO code Myeloid leukemia ICD-10 code Accommodation of Crews Convention (Revised), 1949 code Honda C92, a motorcycle Mentone Airport in Mentone, Indiana FAA LID Caldwell 92 (the Carina Nebula, NGC 3372), a bright nebula and star-forming region in the constellation of Carina