Nina Stadler (born 11 October 1995) is a Swiss former professional tennis player. Stadler has a career-high singles ranking by the Women's Tennis Association (WTA) of 532, wich she reached on 24 September 2022. She also has a career-high WTA doubles ranking of 319, achieved on 7 March 2022. She was particularly successful in doubles. Stadler won 13 titles with various partners at tournaments of the ITF Women's Circuit.