John Arthur Loone (born 25 January 1931) is a former Australian politician. He was an Independent member of the Tasmanian Legislative Council from 1989 to 2001, representing Tamar, Roland and finally Rowallan.
Loone was born in Deloraine. He was elected to the seat of Tamar in 1989, and held it until 1997, when it was renamed Roland. In 1999, Roland was abolished, and Loone was elected to the new seat of Rowallan, which he held until his retirement in 2001.