| Honorific-Prefix: | His Excellency |
| Ayres Britto | |
| Honorific-Suffix: | JD-PhD |
| Office1: | 55th President of the Supreme Federal Court |
| Term Start1: | April 19, 2012 |
| Term End1: | November 16, 2012 |
| Vicepresident1: | Joaquim Barbosa |
| Predecessor1: | Cezar Peluso |
| Successor1: | Joaquim Barbosa |
| Office: | Justice of the Supreme Federal Court |
| Term Start: | June 25, 2003 |
| Term End: | November 16, 2012 |
| Appointer: | Luiz Inácio Lula da Silva |
| Predecessor: | Ilmar Galvão |
| Successor: | Luís Roberto Barroso |
| Birth Date: | November 18, 1942 |
| Birth Place: | Propriá, Sergipe, Brazil |
| Spouse: | Rita de Cássia Pinheiro Reis de Britto |
| Alma Mater: | Federal University of Sergipe |
Carlos Augusto Ayres de Freitas Britto (born November 18, 1942, in Propriá, Sergipe) is a Brazilian jurist and was a Justice of the Supreme Federal Court of Brazil. He was appointed by President Luiz Inácio Lula da Silva and served from June 25, 2003, to November 16, 2012, when he faced mandatory retirement upon reaching the age of 70.
He was the chief justice of the Supreme Court of Brazil from April 19, 2012,[1] until his retirement.[2]
Bachelor in Law (1966)by the Federal University of Sergipe, institution of which he would become professor, is master (1982) and doctor (1998) by the Pontifical Catholic University of São Paulo, being guided in the doctorate by Celso Ribeiro Bastos.
Despite his quite short term as Chief Justice of Brazil, he succeeded to conduct many major cases, as well start the trial of the Criminal Action 470 (popularly nicknamed Mensalão), one of the most complex cases in history to be examined by that Court.
He is currently an occasional contributor to O Estado de S. Paulo, a Brazilian newspaper.[3]