Being a member of the Northwest Athletic Association for Community Colleges (NWAACC), Southwestern offers several inter-collegiate sports: baseball, cheer/dance, men's and women's cross country, men's and women's golf, men's and women's basketball, men's and women's soccer, softball, men's and women's track & field, volleyball and wrestling.

NWAACC is the parent organization for thirty-five (35) community colleges in the states of Washington and Oregon. Southwestern athletes are called Lakers and proudly wear red and blue while competing.  Southwestern is also a member of the National Junior College Athletic Association (NJCAA) exclusively for the sport of wrestling.