Gordon Charles "Don" Ladner[2] (1948 – 26 January 2009) was a New Zealand rugby league player who represented New Zealand. Ladner's position of preference was at fullback.
A West Coast representative, Ladner played 8 tests for the Kiwis from 1969 to 1970, scoring 76 points, all from goal kicking. He played three matches at the 1970 World Cup.