Julie Beth Ertz (née Johnston; born April 6, 1992) is an American soccer player for the Chicago Red Stars of the National Women's Soccer League (NWSL), the highest division of women's professional soccer in the United States, and the United States women's national soccer team. She first appeared for the United States national team during an international friendly against Scotland on February 9, 2013. She has since made more than 100 total appearances for the team.
Ertz played collegiate soccer with the Santa Clara University Broncos from 2010 to 2013. Following her collegiate career, Ertz was selected third overall by the Chicago Red Stars in the 2014 NWSL College Draft that took place on January 17, 2014. Ertz helped the United States win their titles at the 2015 and 2019 FIFA Women's World Cup. At 23, she was the second youngest member of the 2015 team behind 22-year-old Morgan Brian. The United States went on to the World Cup final where she played every minute of all seven games of the tournament and was subsequently named to the FIFA Women's World Cup All-Star Team.
After moving to center midfield for club and country in 2017, Ertz was awarded U.S. Soccer Female Player of the Year.
Ertz was again nominated for U.S. Soccer Female Player of the Year in 2018 and won the U.S. Soccer Female Player of the Year in 2019.