William Michael Osborne (born 24 April 1955) is a former New Zealand rugby union player.
He was a member of the New Zealand national side, the All Blacks, between 1975 and 1982, playing 48 matches including 16 internationals.
In 2017 he was elected vice-president of New Zealand Rugby Union, later ascending to the president's position.
[4] In 2021 a new challenge trophy named after Osborne was announced for the Heartland Championship teams, to follow similar rules to the Ranfurly Shield.
[5] This biographical article relating to New Zealand rugby union, about a person born in the 1950s, is a stub.