Thierry II (died 1115) was Duke of Lorraine from 1070 to his death. He was the son of duke Gerhard of Lorraine. Thierry married for the second time with Gertrude, heiress of Flanders, and their eldest son Thierry of Lorraine inherited this county.
See also: Dukes of Lorraine family tree
| Preceded by: Gerhard |
Duke of Lorraine | Succeeded by: Simon I |