Ashton James Turner (born 25 January 1993) is an Australian cricketer who debuted for Western Australia during the 2012–13 season, and is also contracted to the Perth Scorchers. From Perth, Turner represented Western Australia at under-15 (schoolboys), under-17 and under-19 level. and captained the under-17 team to their National Championships win. A right-arm off spinner, he toured India with the Australian under-19 team in September and October 2011, taking eight wickets from six matches in a quadrangular tournament involving the Australian, Indian, Sri Lankan, and West Indian under-19 teams. At the 2012 Under-19 World Cup, he was Australia's first-choice spinner, ahead of Victoria's Ashton Agar, (Agar was injured and did not play in the World Cup) and took eleven wickets from six matches, with his best figures 4/28 against Nepal.
At state level, Turner was awarded a rookie contract with the Western Australian Cricket Association (WACA) for the 2012–13 season. In December 2012, he was selected in composite sides for two matches against touring international teams, playing for the Prime Minister's XI against the West Indies where he picked up the wicket of captain Darren Sammy and the Cricket Australia Chairman's XI against Sri Lanka. After good form in these matches and at lower levels, Turner was selected to make his List A debut for WA, taking 1/32 and scoring a half-century, 51 runs, against Tasmania towards the end of the 2012–13 season of the limited-overs Ryobi One-Day Cup. At grade cricket level, Turner plays for the Fremantle District Cricket Club, having made his first-grade debut aged 16.
As part of a development program organised by Cricket Australia and Hampshire County Cricket Club, six players were selected to spend the 2013 Australian winter playing for English club teams, with Turner playing for Chichester Priory Park in the Sussex Cricket League. The players also spent time training with the Australian national cricket team during the ongoing Ashes series. While in England, Turner was selected to make his first-class debut in July 2013 in a tour match for the Australians against Sussex, although he did not take a wicket from four overs on debut. Turner joined English Lancashire League club Todmorden as their professional for the 2016 season. In the Moorhouses T20 competition he scored 531 runs (highest score 123*) at an average of 88.5.
In February 2017, Turner was named in Australia's Twenty20 International (T20I) squad for their series against Sri Lanka. He made his T20I debut for Australia against Sri Lanka at the Melbourne Cricket Ground on 17 February 2017.