The Ultimate Cosplay Quiz
This character comes from the pages of D.C. comics. She is from Paradise Island or Themyscira (depending on what continuity you read), populated by female Amazon warriors. The traditional incarnations of the character have a U.S. pilot Steve Trevor crash on the island where the heroine takes care of him and then accompanies him to the outside world where she becomes a superhero. The costume this cosplayer is wearing is from the 2020 film version.