Luis Sáinz Hinojosa (21 June 1936 – 8 October 2022) was a Bolivian prelate of the Catholic Church. Luis Sáinz Hinojosa was born on 21 June 1936 in Tiquipaya, Bolivia. He joined the Franciscans on 17 January 1961 and was ordained a priest on 26 August 1962. On 24 February 1987, he was appointed Archbishop of La Paz and was installed there on 19 April. He resigned from that office on 1 August 1996 and then continued pastoral work, first in a village and then in Quillacollo. On 12 September 2001 he was appointed auxiliary bishop of Cochabamba and titular archbishop of Iunca in Mauretania.