Reginald I was the second count of the Free County of Burgundy.

Born in 986, Reginald was the son of Otto-William,[1] the first count, and Ermentrude of Roucy.

In 1016, Reginald married Alice of Normandy.

[2] Reginald succeeded to the county on his father's death in 1026.

Reginald was succeeded by his son, William I, on his death in 1057.