Crossword clues for O, for one:STPATSHoliday when one might add an "O" to one's name, brieflyODEOne may start with "O", in more ways than oneTEATIMEOolong at one o'clock, or fukamashi at four o'clockTHATAINTHAPPYIt's one o' them other dwarfs?JUMPBasie's "One O'clock ___"COUNTBASIEOne O'Clock Jump writerCOUNTBASIEOne O'Clock Jump playerBASIEOne O'Clock Jump was his themeBASIEOne O'Clock Jump bandleaderBASIECount who composed "One O'Clock Jump"TOEOne O of OOOTHEHOBBITPlace to find one OBASIEOne O'Clock Jump composerTADAI'm do-o-one!TWOBELLSOne o'clock, nauticallyOLIVEOne "O" in EVOOCOUNTBASIEOne O'Clock Jump bandleaderCOUNTBASIEOne O'Clock Jump composerALECOne o£ the WaughsPAAROne of O'Brien's forerunnersMAGO, for oneREFRAINE-I-E-I-O, for oneYESMYSONResponse to "Let me ask you this, O wise one"AGEThe big four-O, for oneCALYPSOSONGBelafonte s Day-O for oneRINGThe letter "O" resembles oneLAKERShaquille O'Neal, for oneIRISHO'Casey, for one.OONAOne of the O'NeillsNOMDEPLUMEO. Henry, for one.ILEEarly O'Neill one-acterBRUINTerry O'Reilly is oneDONOROne with Type O blood, oftenHUBO'Hare, for oneNTHMO Canada, for oneRACEHORSEMan o' War, for oneILEO'Neill one-act playSEAFARERO'Neill was oneBRADPITTIn "Snatch" he's One Punch' Mickey O'NeilTATUMOne of the O'Neals in "Paper Moon"SAILORLondon was one; so was O'NeillIRONISTO. Henry, for oneANTHEMO Canada, for oneSTARO'Toole is onePSEUDONYMO. Henry, for oneTYPEO positive, for oneMSGS O S is oneARIETTAHandel's "Vieni, O cara!" is oneHEROINEScarlett O'Hara, for oneALERSO's, for one