In January 2017, Wozniak lost in the qualifying first round at the Australian Open. The next month, she reached the quarterfinals of the $60k in Burnie. In May, she was awarded a wildcard in the qualifying draw at the French Open but lost in the opening round. For most of the summer, she played on the ITF Circuit. At the end of July 2017 at the $25k in Gatineau, Wozniak captured her first title since 2012 with a straight-sets victory over Ellen Perez. In October 2017, she won her second title of the season with a victory over Marie Bouzková at the $25k in Stillwater, Oklahoma.