Bishop Pius Thomas D'Souza is bishop emeritus of the Roman Catholic Diocese of Ajmer, India. He resigned on 1 June 2024.
Pius Thomas D'Souza was born in Agrar, Mangalore, India on 4 May 1954. He completed his doctorate in canon law from the Pontifical Urban University, Rome.
Pius was ordained a priest on 28 March 1982 for the diocese of Lucknow initially but later he was Incardinated to the diocese of Bareilly, India on 19 January 1989.
He was Appointed Bishop of Ajmer on 3 November 2012 by Pope Benedict XVI and consecrated by Salvatore Pennacchio on 19 January 2013 at the Immaculate Conception Cathedral.