The 2016 Seattle Sounders FC 2 season was the club's second year of existence, and their second season in the United Soccer League, the third tier of the United States soccer pyramid.

Including previous Seattle Sounders franchises, it was the 36th season of a soccer team playing in the Seattle metro area.

Note: Flags indicate national team as defined under FIFA eligibility rules.

Players may hold more than one non-FIFA nationality.

Source: [1] Win Draw Loss Upcoming fixture