Thierry de Looz | |
|---|---|
| Born | unknown Flanders |
| Died | unknown, probably c. 1208 |
| Allegiance | Kingdom of France, Latin Empire |
| Rank | Duke of Nicomedia, Seneschal of 'Romania' |
| Battles/wars | Fourth Crusade, Siege of Constantinople (1203), Sack of Constantinople (1204), Battle of Rusion |
Thierry de Loos (alternatively, Dietrich von Los) was a Franco-Flemish nobleman who took part in the Fourth Crusade and afterwards became prominent within the Latin Empire.