The Roman Catholic Diocese of Cruz Alta () is a diocese located in the city of Cruz Alta in the ecclesiastical province of Santa Maria in Brazil.
History 27 May 1971: Established as Diocese of Cruz Alta from the Diocese of Santa Maria
Bishops Bishops of Cruz Alta Walmor Battú Wichrowski (1971.05.27 – 1972.11.16) Nei Paulo Moretto (1972.11.16 – 1976.01.21), appointed Coadjutor Bishop of Caxias do Sul, Rio Grande do Sul Jacó Roberto Hilgert (1976.07.19 – 2002.05.08) Friedrich Heimler S.D.B. (2002.05.08 – 2014.06.11) Adelar Baruffi (2014.12.17 – 2021.09.22), appointed Archbishop of Cascavel Nélio Domingos Zortea (2023.03.29 – Present)
Coadjutor bishop Pedro Ercílio Simon (1990-1995), did not succeed to see; appointed Bishop of Uruguaiana, Rio Grande do Sul
References GCatholic.org Catholic Hierarchy