Crossword clues for A "Tonight Show" host 4 letters:PAAROnetime host of "The Morning Show" and "The Tonight Show"PAARTonight Show host from 1957 to 1962PAAREarly "Tonight Show" hostLENOTonight Show host JayPAARFormer "Tonight Show" host JackPAAREarly "Tonight Show" host JackPAARTonight Show host before CarsonPAARThe Tonight Show host, oncePAARThe Tonight Show host who once walked off the setPAAREarly "The Tonight Show" host JackPAARFormer "Tonight Show" hostLENOLongtime "Tonight Show" host JayLENOThe Tonight Show hostLENOFormer "Tonight Show" hostLENOTonight Show host before FallonPAARThe Tonight Show host: 1957-62PAARA "Tonight Show" hostPAARTonight show host of yoreLENOTonight show host todayLENOThe Tonight Show host before and after O'BrienLENOTonight Show host who left and returnedPAARSecond "Tonight Show" hostLENOTonight Show host after CarsonLENOFormer "Tonight Show" host JayPAARThe Tonight Show host decades before LenoLENOTonight Show hostLENOJay who hosted "The Tonight Show"PAARHe finished hosting "The Tonight Show" 12 years before Fallon was bornPAARJack who once hosted "The Tonight Show"PAARJack who hosted "The Tonight Show"LENOJay who hosted the "Tonight Show" before Jimmy FallonPAARCarson's predecessor as host of the "Tonight Show"LENOTwo-time host of "The Tonight Show"PAAROriginal host of "The Tonight Show"PAAREarly host of "The Tonight Show"PAAROne-time host of "The Tonight Show"LENO1990s-2000s host of "The Tonight Show"LENOHost of "The Tonight Show"LENOHost on one side of the 2010 "Tonight Show" conflictKATIEIn an arranged swap, she guest-hosted "The Tonight Show" in 2003 on the same day Jay guest-hosted "The Today Show"ALLEN'50s "The Tonight Show" host SteveALLENFirst "Tonight Show" hostJACKPAARTonight Show host before CarsonJAYLENOThe Tonight Show host before and after Conan O'BrienRACIALCARSONOld 'Tonight Show' host studying ethnic groups?STEVEALLENFirst "Tonight Show" hostTVSTARAny "Tonight Show" hostJOHNNYCOMELATELYTonight Show host in 1962?ALLENEarly "Tonight Show" hostOBRIENTonight Show host