Wallace Irwin (March 15, 1875 - February 14, 1959) was an American writer. Over the course of his long career, Irwin wrote humorous sketches, light verse, screenplays, short stories, novels, nautical lays, aphorisms, journalism, political satire, lyrics for Broadway musicals, and the libretto for an opera. Irwin studied at Stanford University. As editor of two campus publications, he lampooned faculty in verse and was expelled. After this, he began his career as a journalist for William Randolph Hearst's Examiner and other papers.