Jeffrey Glenn Siemon (born June 2, 1950 in Rochester, Minnesota) is a former professional American football player and an inductee in the College Football Hall of Fame.
Jeff grew up in Bakersfield, CA and graduated from Bakersfield High School in 1968 where he played QB, LB, TE, and Center.
Jeff Siemon graduated from Stanford University in 1972, where he starred as a linebacker, playing on two Rose Bowl winning teams. At Stanford, he earned the Silver anniversary Dick Butkus award his senior year as the nation's top linebacker, and the Pop Warner Award as the top senior player on the West Coast. He was inducted to the College Football Hall of Fame in 2006. He is a member of Delta Tau Delta International Fraternity.
In 1972, Siemon was drafted in the first round by the Vikings, for whom he played until he retired after the 1982 season. During that time, he was the starting middle linebacker in 4 NFC championship games over the course of 5 years (1973 to 1977), winning 3: 1973-74 NFL playoffs, 1974-75 NFL playoffs, 1976-77 NFL playoffs, losing 1: 1977-78 NFL playoffs, and 3 Super Bowls (Super Bowl VIII, Super Bowl IX, Super Bowl XI), all losses. He was also a vital part of the Vikings' 1975 season of 12 wins and 2 losses, winning the NFC central division, 3rd in the NFL in least points allowed (180 points, 12.9 points per game), but the team lost to the Dallas Cowboys in the first round of the 1975-76 NFL playoffs. During the prime years, he teamed up with excellent outside linebackers, such as Matt Blair, Roy Winston, and Wally Hilgenberg.
For his speed, quickness, and savvy, he was chosen to play in 4 Pro Bowls.
After his NFL career, Jeff graduated from the Simon Greenleaf School of Law (M.A. in Christian Apologetics, 1984) Subsequently, Jeff began and continues his work today as the Minnesota Search Ministries Division Director.
Jeff and his wife, Dawn, have four grown children and live in Edina, Minnesota. Their daughter Kelley was a four-year starter for the Notre Dame women's basketball team, concluding her career as part of the Fighting Irish's 2001 national championship squad.