Kelly Scott Poppinga (born January 31, 1982) is an American football coach and former player. He is the special teams coordinator and defensive ends coach at Brigham Young University (BYU). He is the younger brother of National Football League (NFL) linebacker Brady Poppinga.

Playing career

Poppinga played college football at Utah State University and BYU as a linebacker. He was signed by the Miami Dolphins of the NFL as an undrafted free agent in 2008 and also spent time that season with the St. Louis Rams and Arizona Cardinals.

Coaching career

In December 2015, Poppinga was hired by Bronco Mendenhall to follow him to the University of Virginia (UVA) as outside linebackers coach after serving in the same role at BYU under Mendenhall. Following the end of the 2021 season, Poppinga was not retained by the new UVA coaching staff but was hired a short time later at Boise State University. Poppinga was hired on December 7, 2022, back to BYU as a special team coordinator and defensive assistant coach.