Anna Bartlett Warner (August 31, 1827 – January 22, 1915) was an American writer, the author of several books, and of poems set to music as hymns and religious songs for children. She was born on Long Island and died in Highland Falls, New York.The best known of the hymns is almost certainly "Jesus Loves Me, This I Know"; however some stanzas of this appear in modern hymnals rewritten by David Rutherford McGuire.She wrote some books jointly with her sister Susan Warner (Elizabeth Wetherell) and also wrote under the pseudonym Amy Lothrop.