| Type: | Archbishop |
| Honorific-Prefix: | His Excellency |
| Lúcio Ignácio Baumgaertner | |
| Archbishop Emeritus of Cascavel | |
| Appointed: | 27 December 1995 |
| Term End: | 31 October 2007 |
| Predecessor: | Armando Círio |
| Successor: | Mauro Aparecido dos Santos |
| Previous Post: | Bishop of Toledo (1983–1995) |
| Ordination: | 1 December 1957 |
| Consecration: | 12 October 1983 |
| Consecrated By: | Benedito Zorzi |
| Birth Date: | 1931 9, df=yes |
| Birth Place: | Nova Milano, Rio Grande do Sul, Brazil |
| Death Place: | Cascavel, Paraná, Brazil |
Lúcio Ignácio Baumgaertner (2 September 1931 – 1 April 2023) was a Brazilian Roman Catholic prelate. He was bishop of Toledo from 1983 to 1995 and archbishop of Cascavel from 1995 to 2007.[1]