Charlotte Franklin Hatherley (born 20 June 1979) is an English guitarist and singer-songwriter. She initially came to prominence as guitarist and backing vocalist for alternative rock band Ash. Since leaving Ash in 2006, she has pursued a solo career and also acted as a touring instrumentalist for Client, KT Tunstall and Bat for Lashes. Hatherley is now performing under the moniker of Sylver Tongue.