Dame Cleo Laine, Lady Dankworth is an English singer and actress known for her scat singing. She is the widow of jazz composer and musician Sir John Dankworth and the mother of bassist Alec Dankworth and singer Jacqui Dankworth.

Sir John Phillip William Dankworth, CBE, also known as Johnny Dankworth, was an English jazz composer, saxophonist, clarinettist and writer of film scores. With his wife, jazz singer Dame Cleo Laine, he was a music educator and also her music director.