Antônio de Araújo was a Brazilian Jesuit missionary.

Araújo was born at St. Michael's in the Azores

Azores

The Archipelago of the Azores is composed of nine volcanic islands situated in the middle of the North Atlantic Ocean, and is located about west from Lisbon and about east from the east coast of North America. The islands, and their economic exclusion zone, form the Autonomous Region of the...

. He entered the Society of Jesus in Bahia

Bahia

Bahia is one of the 26 states of Brazil, and is located in the northeastern part of the country on the Atlantic coast. It is the fourth most populous Brazilian state after São Paulo, Minas Gerais and Rio de Janeiro, and the fifth-largest in size...

, and was for nine years Superior of the Missions of Brazil. He edited for publication in 1618 a catechism

Catechism

A catechism , i.e. to indoctrinate) is a summary or exposition of doctrine, traditionally used in Christian religious teaching from New Testament times to the present...

 in the Old Tupi language

Old Tupi language

Old Tupi or Classical Tupi is an extinct Tupian language which was spoken by the native Tupi people of Brazil, mostly those who lived close to the sea. It belongs to the Tupi–Guarani language family, and which has a written history spanning the 16th, 17th and early 18th centuries...

 of Brazil. Nathanael Southwell says of it:

"This catechism, begun by others in Brazilian, he augmented considerably. It was published at Lisbon under his name, and is regarded as without a superior in the catechetical art. It was afterwards translated into the native American tongue."

The 1686 edition was entitled Catecismo brasilico da doutrina Christãa.