The 2015 W-League season was the 21st and last season of the league's existence, and 12th season of second division women's soccer in the United States. The regular season started on May 16 and ended on July 18.
Seven teams folded or self-relegated following the 2014 season:
One team changed its name in the off-season:
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The Laval Comets were selected as host for the W-League Championship and gained an automatic berth in the National Semi-Finals. The top regular-season finisher in the Northeastern Conference (other than Laval) and the Southeastern Conference also qualified. The top two finishers in the Western Conference will meet on July 18 for a berth in the Championship.
<small>Source:</small>
F: Shan Jones (LIR)*, Sara Sanau-Ruiz (NYM), Danielle Schulmann (NJV)<br /> M: Kayla Adamek (LAV)*, Serina Kashimoto (NYM), Casie Ludemann (LIR)<br /> D: Sue Alber-Weber (LIR)*, Catherine Chukuka (NJV), Marie-Sandra Ujeneza (QUE), Kelsey Wilson (LAV)*<br /> G: Rachelle Beanlands (LAV)
F: Leah Fortune (CHE)*, Imani Dorsey (WAS), Ode Fulutudilu (DDL)<br /> M: Alex Brandt (CHE), Megan Dougherty-Howard (WAS)*, Annie Speese (CHE)<br /> D: Savannah McCaskill (CAR) *, Amanda Naeher (CHE)*, Carson Pickett (WAS), Kaleigh Riehl (BRSE)<br /> G: Robyn Horner-Jones (CHE)
F: Tara Andrews (PRI)*, Celeste Boureille (COR), Kasandra Massey (SCB)<br /> M: Kelly Fitzgerald (COR), Rose Lavelle (SEA)*, Abby Rolph (COS)<br /> D: Sophie Howard (PRI), Morgan Kennedy (COR), Chloe McDaniel (SCB), Kinley McNicoll (SEA)<br /> G: Britt Eckerstrom (PRI)*
<nowiki>*</nowiki> denotes All-League player