João Batista Becker (February 24, 1870 – June 15, 1946) was a German-Brazilian prelate of the Roman Catholic Church, serving as Archbishop of Porto Alegre from 1912 until his death.

Becker was later named Archbishop of Porto Alegre on August 1, 1912, being installed as such on December 8 of that same year.

In October 1930, the Archbishop praised the Revolution, saying, "The Rio Grande do Sul forces are formed of the pick of our youth, and with dignity and honor.

May the Lord of Hosts shorten the days of the struggle, and grant us peace, from north and south, for the happiness of the nation and the glory of religion".

[1] He died at age 76, after serving as Porto Alegre's archbishop for thirty-three years.