Madeline Nicole "Nikki" Washington (born August 1, 1988) is an American retired professional soccer forward and right midfielder who last played for Boston Breakers in the National Women's Soccer League (NWSL) and is currently an assistant coach for the women's soccer team at the University of Washington. She previously played for Chicago Red Stars, Boston Breakers, and magicJack in Women's Professional Soccer as well as the Portland Thorns FC and Houston Dash in the NWSL. She captained the United States team that won the 2008 FIFA U-20 Women's World Cup and played for the under-23 team.