Anna Louise Wilson (born 1 May 1977) is a United States-born Olympic swimmer from New Zealand. Wilson was born in 1977 in Iowa City in the U.S. state of Iowa. Wilson, Elizabeth Van Welie, Scott Cameron, and Danyon Loader all trained under swimming coach Duncan Laing at Moana Pool in Dunedin, New Zealand at the same time. In 1991, she set an Otago record in 100 m freestyle that would stand for 20 years. In 1993, she set an Otago senior women's record in 1500 m freestyle that would stand until 2009. In 1995, she set a national women's aged 17 100 m breaststroke record; it stood for 18 years until it was broken by Natasha Lloyd in 2013. Wilson's Otago 100 m individual medley women's open record stood until broken in 2012. As of 2016, she still holds four national age group records.