Leo Thompson is a New Zealand professional rugby league footballer who plays for the Newcastle Knights in the National Rugby League. His position is prop.

The Newcastle Knights are an Australian professional rugby league team based in Newcastle, New South Wales that competes in the National Rugby League (NRL) premiership. Playing in red and blue, the Knights joined the top tier competition in 1988, 79 years after the previous Newcastle based team, the Newcastle Rebels had departed the Sydney competition with the formation of a separate league competition based in the Newcastle region.