Alisa Pauliina Vainio (born 16 November 1997) is a Finnish long-distance runner. She won bronze at the 2015 European Athletics Junior Championships in 3,000m steeplechase. She has two Finnish championships from 10,000m (2015 and 2018) and one from the marathon (2018). Vainio also has two world championship bronze-medals from Bandy (Irkutsk 2012 and Lappeenranta 2014).