Katie Magnus, Lady Magnus (née Emanuel; 2 May 1844 – March 1924), was a British author and communal worker.
A Jew,[1] she was born to E. Emanuel in Portsmouth, and married Sir Philip Magnus. She was a member of various committees of the Berkeley Street Synagogue, engaged in the Jews' Deaf and Dumb Home, and was a treasurer of the Jewish Girls' Club. She wrote several popular books, and also contributed with articles to several periodicals.
She died in London in March 1924.[2]