| Type: | Bishop |
| Honorific-Prefix: | Most Reverend |
| Alfonso de Franco y Luna | |
| Bishop of La Paz | |
| Church: | Catholic Church |
| Diocese: | Diocese of La Paz |
| Term: | 1639–1645 |
| Predecessor: | Feliciano de la Vega Padilla |
| Successor: | Francisco de la Serna |
| Consecration: | 31 October 1632 |
| Consecrated By: | Francisco Sánchez Villanueva y Vega |
| Birth Date: | 1572 |
| Birth Place: | Alcalá de Henares, Spain |
| Death Date: | 1645 (age 73) |
| Death Place: | La Paz, Bolivia |
| Previous Post: | Bishop of Durango (1632–1639) |
Alfonso de Franco y Luna (1572–1645) was a Catholic prelate who served as Bishop of La Paz (1639–1645) and Bishop of Durango (1632–1639).
Alfonso de Franco y Luna was born in 1572 in Alcalá de Henares, Spain.[1] On 7 June 1632, he was appointed during the papacy of Pope Urban VIII as Bishop of Durango.[2] On 31 October 1632, he was consecrated bishop by Francisco Sánchez Villanueva y Vega, Bishop of Mazara del Vallo, with Juan Barahona Zapata del Águila, Bishop of Nicaragua, and Cristóforo Chrisostome Carletti, Bishop of Termia, serving as co-consecrators. On 30 May 1639, he was appointed during the papacy of Pope Urban VIII as Bishop of La Paz. He served as Bishop of La Paz until his death in 1645.