William John Greer Rosbotham (1909 - date of death unknown), was a Northern Ireland international lawn bowler.

[1] He won a gold medal in the pairs at the 1954 British Empire and Commonwealth Games in Vancouver, with Percy Watson.

[2][3] He was the 1973 Northern Ireland singles champion.

[4] He was a civil servant by trade and lived in Loughgall, County Armagh.

This biographical article relating to United Kingdom lawn or indoor bowls is a stub.