Justen Thomas Glad (born February 28, 1997) is an American soccer player who currently plays as a defender for Real Salt Lake in Major League Soccer.
Glad joined the Real Salt Lake Arizona Academy in 2012. On April 7, 2014, Glad signed a homegrown contract with Real Salt Lake, making him the seventh homegrown signing in club history. He made his professional debut in April 2015 for USL affiliate club Real Monarchs SLC and scored his first goal in a 1–1 draw against Portland Timbers 2. He made his Major League Soccer debut at the age of 18 with Real Salt Lake in June 2015. Glad became a regular starter with Real Salt Lake in 2016, starting 27 MLS matches, and was named the RSL 2016 defender of the year.
Glad was a member of the U.S. under-17 squad that competed in the 2013 CONCACAF U-17 Championship. He also represented the U.S. in the under-18 level. Glad played with the under-20 U.S. national team at the 2017 FIFA under-20 World Cup. On January 8, 2018, Glad received a call-up for the United States men's national soccer team for a friendly against Bosnia and Herzegovina.