Romeo Crennel is a former American football coach, who was the senior advisor for football performance for the Houston Texans of the National Football League (NFL). A former long-time coaching assistant to Bill Parcells, Crennel served as the head coach of the Cleveland Browns from 2005 to 2008 and the Kansas City Chiefs in 2012, as well an assistant coach for six NFL teams and four collegiate teams. He has over 50 years of coaching experience, which has included consistently being employed as a coach for all but two seasons since 1970, only taking the 2009 and 2013 seasons off following both of his tenures as a permanent head coach. He has five Super Bowl wins as assistant coach, two with the New York Giants and three with the New England Patriots.

The Houston Texans are a professional American football team based in Houston. The Texans compete in the National Football League as a member club of the American Football Conference (AFC) South division, and play their home games at NRG Stadium.