The 2015 season was Washington Spirit's third season of existence in which they competed in the National Women's Soccer League, the top division of women's soccer in the United States.

Building off 2014's playoff achievement, the Spirit added a few key contributors including midfielder Joanna Lohman (from Boston Breakers), defenders Megan Oyster (drafted out of UCLA) and Katherine Reynolds (from Western New York Flash), and Nigerian international Francisca Ordega (signed from Piteå IF).

[3] The Spirit finished the 2015 season with a record of 8-6-6 and repeating their 4th place league position.

[6] As of May 15, 2017[7] Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.

Source: Match reports Source: NWSL[1] Key to positions: FW – Forward, MF – Midfielder, DF – Defender, GK – Goalkeeper