Crossword clues for Penn is one 3 lettersAnswerClueSTAPenn, for oneSTNPenn, for one: Abbr.STANYC's Penn, for one: Abbr.SIRWilliam Penn, for oneSTAPenn is oneIVYPenn, for oneSTAPenn, for one: Abbr.STAPenn, in N.Y.C., is oneSTAPenn in NYC, for oneQUAKERWilliam Penn, for one.COLONISTWilliam Penn was one.MOVIEACTORPenn, for oneLIRROne way to Penn StationTERMINUSPenn Station is one.MEETPenn Relays, for one.SEANOne of the PennsLIRROne way to N.Y.C.'s Penn Sta.POETLAUREATERobert Penn Warren was the first one in the U.S.