I'll Say She Is (1924) is a musical comedy revue written by brothers Will B. Johnstone (book and lyrics) and Tom Johnstone (music). It was the Broadway debut of the Marx Brothers (Groucho, Harpo, Chico, and Zeppo). A revival of I'll Say She Is, as "adapted and expanded" by the writer-performer Noah Diamond, was seen Off Broadway at the Connelly Theater in 2016.