Major Alexander Rolls (18 July 1818 – 22 April 1882) was a native of Swansea, Glamorganshire, Wales. A member of the renowned Rolls family of The Hendre at Llangattock-Vibon-Avel near Monmouth, Monmouthshire, his life in public service included four terms as Mayor of Monmouth. He was an officer in the Royal Monmouthshire (Light Infantry) Militia and the 4th Royal Irish Dragoon Guards. Rolls married twice; the widower's second marriage was to a divorcée, English actress Helen Barry.