Marie "Mimmi" Wikstedt (born 30 April 1954) is a former professional tennis player from Sweden.

She began competing in the early 1970s and made her debut for the Sweden Fed Cup team in 1973.

At the 1979 Australian Open she was quarter-finalist in the women's doubles partnering Renata Tomanova.

[2] She won the doubles title at the 1982 Avon Championships of Nashville with Chris O'Neil.

She made her last Fed Cup appearance for Sweden in 1981 and finished with an 11/10 overall record, from 18 ties.