As of my last knowledge update in September 2021, the United States had several talented female boxers who were making their mark in the sport. Keep in mind that rankings and the status of athletes can change over time, so it’s important to check the latest information for the most up-to-date list of top women boxers in the USA. However, here are a few American women boxers who were notable in 2021:

  1. Claressa Shields: Claressa Shields is one of the most well-known female boxers not only in the USA but in the world. She is a two-time Olympic gold medalist and has become a multi-division world champion, dominating both the middleweight and super middleweight divisions.
  2. Mikaela Mayer: Mikaela Mayer competes in the super featherweight division and was gaining recognition for her skills and undefeated record. She had won the WBO junior lightweight title.
  3. Amanda Serrano: Amanda Serrano is a versatile fighter who has won world titles in multiple weight classes, including featherweight, super featherweight, and lightweight. She is known for her knockout power.
  4. Katie Taylor (originally from Ireland, but based in the USA): Katie Taylor is a former Olympic gold medalist and has held multiple world titles in the lightweight division. She has a strong international presence and is a respected figure in women’s boxing.
  5. Marlen Esparza: Marlen Esparza is an American flyweight boxer known for her success in amateur boxing, including winning a bronze medal at the 2012 Olympics. She has transitioned into the professional ranks.
  6. Oshae Jones: Oshae Jones is an American welterweight boxer who gained recognition for her performances in the amateur ranks, including winning a bronze medal at the 2020 Tokyo Olympics.

Please note that the status and rankings of these boxers may have changed since my last update in 2021. To find the most current information about the top women boxers in the USA in 2022 or beyond, I recommend checking the latest news and rankings from boxing associations and organizations, as well as reputable sports news sources.