Dalmas I of Semur

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Dalmas I of Semur (French: Dalmace I^er de Semur, c. 980/985 - 1048) was a Burgundian nobleman.

He was the eldest son of Geoffroy I of Semur (c. 942 - c. 1000), lord of Semur-en-Brionnais, and his first wife, a daughter of Dalmace II, Viscount of Brioude (c. 935/950 - 985). Dalmas I died in 1048, at the hands of his son-in-law.