State fair is a musical by Richard Rodgers (music) and Oscar Hammerstein II (lyrics), book by Tom Briggs and Louis Mattioli.

"Set against the colourful backdrop of an American heartland tradition, State Fair travels with the Frake family as they leave behind the routine of the farm for three days of adventure at the 1946 annual Iowa State Fair. Mom and Pop have their hearts set on winning blue ribbons for best boar and best homemade mincemeat, whilst their daughter and son find both love and heartbreak in the romance of the busy fairground. The Academy Award winning score including such Rodgers and Hammerstein classics as It Might as Well Be Spring and It's a Grand Night for Singing."