Most consecutive seasons with same team, without winning, or since last winning, a Super Bowl 

Don Shula 22
Bud Grant 17
Mike Tomlin 16
Marvin Lewis 16
Jeff Fisher 16
Andy Reid 14
Bill Cowher 13
Chuck Noll 12
Dan Reeves 12
John Harbaugh 11*
Marv Levy 11
Tom Landry 11