Last week, de Boer said it was “ridiculous” that female players want to receive the same World Cup pay as the men.
U.S. Soccer also appointed Earnie Stewart as its sporting director, overseeing all men's and women's national team programs.
Players have claimed in a lawsuit that under their previous contract a player on the USWNT earned less than half what men were paid.
After defending their World Cup trophy in France, USA beat Ireland thanks to goals from Tobin Heath, Lindsey Horan and Carli Lloyd.
Alex Morgan, Julie Ertz and Rose LaVelle also are on the shortlist after helping the U.S. defend its World Cup title this summer.
A new winner of the Best FIFA Women's Player Award will be crowned later this year.
The rivalry between Pep Guardiola and Jurgen Klopp has been renewed in the nominations for the The Best FIFA Men's Coach award.
"The timing is right to move on, and the programme is positioned to remain at the pinnacle of women’s soccer," Jill Ellis said on Tuesday.
The USWNT co-captain's book is scheduled to be released in the fall of 2020.
Morgan's latest business endeavor doesn't have a name yet, but she wants it to help advocate for women's equality.