John Peter Rillie (born 4 November 1971)[1] is an Australian basketball coach and former player.

He played 16 seasons in the NBL between 1995 and 2010 before embarking on a coaching career in the United States' college system.

[15] On 18 February 2009, he scored 34 points and made ten 3-pointers in the Crocodiles' 103–96 win over the Perth Wildcats in the elimination final.

[21] On 11 July 2022, Rillie was appointed head coach of the Perth Wildcats of the NBL on a three-year contract.

[22][23] Following the 2022–23 NBL season, he served on the New York Knicks coaching staff during the 2023 NBA Summer League.

[24] Following the 2023–24 NBL season, he served on the New Orleans Pelicans coaching staff during the 2024 NBA Summer League.

[25] On 17 September 2024, Rillie signed a three-year contract extension with the Wildcats to remain as head coach until the end of the 2027–28 season.

[27] His son, Jaron, plays college basketball in the United States for Northern Colorado.