| Roberto Requião | |
| Office: | Senator from Paraná |
| Term Start: | February 1, 2011 |
| Term End: | January 31, 2019 |
| Term Start2: | February 1, 1995 |
| Term End2: | December 31, 2002 |
| Office3: | 53th Governor of Paraná |
| Term Start3: | January 1, 2007 |
| Term End3: | April 1, 2010 |
| Predecessor3: | Hermas Brandão |
| Successor3: | Orlando Pessuti |
| Office4: | 53th Governor of Paraná |
| Term Start4: | January 1, 2003 |
| Term End4: | September 5, 2006 |
| Predecessor4: | Jaime Lerner |
| Successor4: | Hermas Brandão |
| Office5: | 50th Governor of Paraná |
| Term Start5: | March 15, 1991 |
| Term End5: | March 31, 1994 |
| Predecessor5: | Alvaro Dias |
| Successor5: | Mário Pereira |
| Office6: | 75th Mayor of Curitiba |
| Term Start6: | January 1, 1986 |
| Term End6: | January 1, 1989 |
| Predecessor6: | Mauricio Fruet |
| Successor6: | Jaime Lerner |
| Office7: | State Deputy |
| Term Start7: | March 15, 1983 |
| Term End7: | January 1, 1986 |
| Constituency7: | Paraná |
| Birth Date: | 5 March 1941 |
| Birth Place: | Curitiba, Paraná |
| Party: | Mobiliza (2024–present) |
| Otherparty: | PMDB (1980–2021) PT (2022–2024) |
| Children: | Requião Filho |
| Profession: | Journalist |
Roberto Requião de Mello e Silva (born March 5, 1941) is a Brazilian politician and journalist. He has represented Paraná in the Federal Senate two times, between 1995 and 2002 and from 2011 to 2019. Previously, he was governor of Paraná from 2003 to 2010. He was a member of the Brazilian Democratic Movement Party[1] from 1980 to 2022, when he decided to leave the party to join the Workers' Party in order to run in the 2022 Paraná gubernatorial election.[2] In April 2024, he left the Workers' Party in order to join the National Mobilization.[3]