Luis Franco Cascón (Mansilla del Páramo, León, 1903 - San Cristóbal de La Laguna, Tenerife, 17 August 1984) was a Spanish ecclesiastic, ninth Bishop of the Roman Catholic Diocese of San Cristóbal de La Laguna.

He was ordained bishop of Tenerife on 22 February 1962 by Pope John XXIII and was consecrated on 29 April that year in the Sanctuary of the Perpetual Help of Madrid, where he was rector.

On 21 May 1962 he entered the Diocese of Tenerife and on 11 October that year he attended the inauguration of the Second Vatican Council.

He died in San Cristóbal de La Laguna on 17 August 1984.

He was buried in the Chapel of the Christ of the Column of the Cathedral of La Laguna.