Crossword clues for Most common blood type:OPOSITIVETHINKERPhilosopher with the most common blood type?OPOSITIVEMost common blood type among U.S. residentsAPOSSecond most common blood type: Abbr.APOSCommon blood type, brieflyOPOSITIVECommon blood typeOPOSITIVEMost common blood typeAPOSCommon blood type: Abbr.APOSITIVESecond most common blood typeOPOSITIVE*Most common blood type in the U.S.