"Andy Reid is now the longest-tenured head coach in the league, having been at the helm of the Kansas City Chiefs for 13 years. Sean McDermott ( Buffalo Bills), Sean McVay ( Los Angeles Rams), and Kyle Shanahan ( San Francisco 49ers) follow him with nine years a piece. Matt LaFleur ( Green Bay Packers) and Zac Taylor ( Cincinnati Bengals) have six years each."
"T1. Curly Lambeau, Packers: 29 seasons (1921-49) Lambeau founded the Green Bay Packers in 1919 and played 10 seasons with the team before becoming a player-coach in 1929. That year, he led the Packers to the NFL championship (pre-Super Bowl) and then retired as a player. He continued coaching Green Bay for the next 20 years, winning five more NFL championships (in 1930, 1931, 1936, 1939 and 1944). Lambeau was named to the NFL's 100th Anniversary All-Time Team."
"T1. Tom Landry, Cowboys: 29 seasons (1960-88) Landry was the first coach of the Cowboys in 1960, and he would set an NFL record with 20-consecutive winning seasons during his tenure. Landry led Dallas to two Super Bowl wins, defeating the Miami Dolphins in Super Bowl VI and the Denver Broncos in Super Bowl XII. He was named the NFL's Coach of the Year in 1966 and the UPI NFL Coach of the Year in 1975."
At the start of the 2025 NFL season Mike Tomlin, John Harbaugh, and Andy Reid were the longest-tenured active coaches. Harbaugh was fired from the Baltimore Ravens after 18 years and Tomlin stepped down after 19 years with the Pittsburgh Steelers. As of Jan. 13, 2026, nine teams dismissed their head coaches during the 2025-26 season. Andy Reid is now the longest-tenured head coach at the Kansas City Chiefs with 13 years. Sean McDermott, Sean McVay, and Kyle Shanahan each have nine years; Matt LaFleur and Zac Taylor have six each. Historical long-tenure leaders include Curly Lambeau and Tom Landry at 29 seasons and Don Shula at 26 seasons.
Read at ESPN.com
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