The club entered the season as the two-time defending winner of the NWSL Shield.

Last updated: August 30, 2016Source: https://www.reignfc.com/ Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.

Source: http://nwslsoccer.com/teams/seattle-reign-fc For transfers in, dates listed are when the Reign FC officially signed the players to the roster.

Transactions where only the rights to the players are acquired (e.g., draft picks) are not listed, and amateur call-ups are not considered official signings either.

For transfers out, dates listed are when the Reign FC officially removed the players from its roster, not when they signed with another club.