William V, Count of Nevers

William V (French: Guillaume V) was Count of Nevers and Auxerre from 1175 through 1181.^[1] His parents were Guy of Nevers and Mathilda of Grignon.^[2]

Following his father's death in 1175, his mother, Mathilda, was regent during his lifetime.^[1] He died as a child in 1181.^[1] William's sister, Agnes would become heiress of Nevers.^[1]