Dion Alan George Waller (born 6 January 1974 in Tūrangi) is a former New Zealand rugby union footballer. He played for the Wellington Lions, Hurricanes, New Zealand Maori and All Blacks. He was one of the leading locks in New Zealand rugby at provincial level with great lineout attributes, but never got a real opportunity to play internationally as he left New Zealand to play in Japan. He played 4 years in Japan for Toyota Shokki and then went on to finish his career in Italy playing 2 years for Viadana.