Theodoric I, Bishop of Metz

Dietrichof Metz (died 984) was Bishop of Metz from 964 until his death. He was the son of Hedwig of Nordgau and Siegfried of Luxembourg.

He succeeded Adalbero I (929–962) as bishop of Metz. He founded the abbey of St Vincent, Metz.

He crowned Charles, Duke of Lower Lorraine as King of France in Laon in 978; Charles, unsuccessful in gaining recognition subsequently, was supported by Otto II, Holy Roman Emperor (a Saxon like Dietrich, and a relation). Bruno I, Archbishop of Cologne was another cousin, and a friend.