Dirk Jeffrey Koetter (/ˈkʌtər/ KUT-ər;[1] born February 5, 1959) is an American former college and professional football coach.

A quarterback, Koetter graduated from Highland High School in 1977 and stayed in town to play college football at Idaho State University under new head coach Bud Hake.

[2][3] As a fifth-year senior in 1981, Koetter backed up Mike Machurek at quarterback;[4][5] the Bengals went 12–1 and won the national championship in Division I-AA under second-year head coach Dave Kragthorpe.

After his time at San Francisco State, Koetter coached at UTEP (1986–88), Missouri (1989–93), Boston College (1994–95), and Oregon (1996–97).

In 2007, Koetter accepted the position of offensive coordinator for the Jacksonville Jaguars of the National Football League (NFL).

[10][11] The Falcons appeared in the NFC Championship Game at the end of the season but lost 28–24 to the San Francisco 49ers, who had made their first Super Bowl in 18 years, despite a 17–0 second quarter lead.

[16] On December 29, 2017, the team announced that Koetter would be retained for the 2018 season despite regressing in his second year as head coach.