William Clyde Fitch (May 2, 1865 – September 4, 1909) was an American dramatist, the most popular writer for the Broadway stage of his time (1890 – c. 1909).
Born in Elmira, New York, and educated at Holderness School (1879-1882) and Amherst College (class of 1886), William Clyde Fitch wrote 62 plays, 36 of them original, ranging from social comedies and farces to melodrama and historical dramas.