William Michael Osborne (born 24 April 1955) is a former New Zealand rugby union player. A second five-eighth and centre, Osborne represented Wanganui and Waikato at a provincial level. Started his club career with the local Kaierau Rugby Union Club in Wanganui. He was a member of the New Zealand national side, the All Blacks, between 1975 and 1982, playing 48 matches including 16 internationals.
|Birth name||William Michael Osborne|
|Date of birth||24 April 1955|
|Place of birth||Whanganui, New Zealand|
|Height||1.78 m (5 ft 10 in)|
|Weight||82 kg (181 lb)|
|School||Wanganui High School|
|Notable relative(s)||Glen Osborne (nephew)|
|Rugby union career|
- Luxford, Bob. "Bill Osborne". New Zealand Rugby Union. Retrieved 12 January 2015.
| Tom French Memorial
Māori rugby union player of the year