| Ivete da Silveira | |
| Office: | Senator for Santa Catarina |
| Term Start: | 30 December 2022 |
| Predecessor: | Jorginho Mello |
| Term Start2: | 24 August 2022 |
| Term End2: | 21 December 2022 |
| Office3: | First Lady of Santa Catarina |
| Governor3: | Luiz Henrique da Silveira |
| Term Start3: | 1 January 2007 |
| Term End3: | 25 March 2010 |
| Predecessor3: | Ivane Fretta |
| Successor3: | Maria Bernardete Pavan |
| Term Start4: | 1 January 2003 |
| Term End4: | 9 April 2006 |
| Successor4: | Ivane Fretta |
| Birth Name: | Ivete Marli Appel |
| Birth Date: | 28 May 1943 |
| Birth Place: | Brusque, Santa Catarina, Brazil |
| Party: | MDB (1980–present) |
| Children: | 2 |
| Alma Mater: | Federal University of Santa Catarina |
Ivete Marli Appel da Silveira (born 28 May 1943) is a Brazilian teacher[1] and politician who has been one of the senators from the state of Santa Catarina since 2022. She succeeded Jorginho Mello, who became the governor of Santa Catarina in 2023.[2] She was the wife of former Santa Catarina governor and senator Luiz Henrique da Silveira.[3]