Ruth Ward Kahn (August 4, 1872 – ?) was a Jewish American lecturer and writer.
She was a contributor to Woman's Home Companion, Arena, Popular Science, and other publications.
She traveled in Bermuda, Mexico, Hawaii, and the South Sea Islands; and lectured in 20 states.
She was the author of "Gertrude" (epic poem); The First Quarter (collected poems), 1898; and other works.
She was a member of the Incorporated Society of Authors of London, as well as the National Woman's Press Association, of which she served as the vice-president for its Colorado branch.