Ethel Lavenu (1842 – 14 August 1917) was a British stage actress.

[1] Born in Chelsea as Eliza Lavenu, the third of six daughters of the cellist, composer, and music impresario Lewis Henry Lavenu by his wife Julia, daughter of Col. John Blossett, head of the British expedition to assist Simon Bolivar in the war of independence in Venezuela.

Her father was often away on tour, and in 1855 left for Sydney leaving the family in London.

She had more success than her sisters, by 1863 appearing in various plays at the Royal Lyceum Theatre, London.

[2][3] She had two sons, George Arthur, born in 1868, an actor, known as Littledale Power, who later appeared on Broadway, and Frederick Tyrone Edmond, known as Tyrone Power, Sr.