Who are the longest-tenured head coaches in NFL history? - ESPN

As of the start of the 2025 NFL season, Mike Tomlin, John Harbaugh, and Andy Reid were the longest-tenured active coaches in the league. At the end of the season, Harbaugh was fired from the Baltimore Ravens after 18 years. Tomlin is now the longest-tenured active coach in the league, having led the Pittsburgh Steelers for 19 years. Reid has 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 them with 9 years a piece.

Look back at the longest-tenured head coaches in NFL history below:

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. Landry was an innovator, with the 4-3 defense among his creations. He was named to the NFL's 100th Anniversary All-Time Team.

2. Don Shula, Dolphins: 26 seasons (1970-95)

From 1970 through 1995, Shula had a legendary run as head coach of the Dolphins. Shula led the