<P> At the time of the 1970 NFL -- AFL merger , George Halas , head coach , founder and owner of the Chicago Bears , held the record for most wins as a head coach . He retired from coaching after the 1967 season with 324 wins , including six playoff wins . Twenty - eight years later , Halas was surpassed by Don Shula . Shula retired at the end of the 1995 season , after amassing 328 regular season wins and 19 playoff wins . </P>
what nfl coach has the most wins ever
Don Shula