Helen Archibald Clarke was an American literary critic, book editor, composer and lyricist, and the co-founder of the journal Poet Lore. She was influential in shaping the American literary taste of her day through her work on Poet Lore, through her work co-editing the complete works of the British poets Robert Browning and Elizabeth Barrett Browning, and through her books on writers such as Nathaniel Hawthorne and Henry Wadsworth Longfellow.