Three teams have 18 wins in a season, two have had perfect regular seasons:
1984 San Francisco 49ers 18-1 (15-1, won Super Bowl)
1985 Chicago Bears 18-1 (15-1, won Super Bowl)
2007 New England Patriots 18-1 (16-0, lost Super Bowl)
1972 Miami Dolphins 17-0 * (14-0, only undefeated season in NFL history)
1989 San Francisco 49ers 17-2 (14-2, won Super Bowl)
1991 Washington Redskins 17-2 (14-2, won Super Bowl)
1998 Denver Broncos 17-2 (14-2, won Super Bowl)
2003 New England Patriots 17-2 (14-2, won Super Bowl)
2004 New England Patriots 17-2 (14-2, won Super Bowl)
*Teams with 16 total wins include
2013 Seattle Seahawks 16-3 (13-3, won Super Bowl)
2009 New Orleans Saints 16-3 (13-3, won Super Bowl)
2006 Indianapolis Colts 16-4 (12-4, won 3 playoffs and Super Bowl)
2000 Baltimore Ravens 16-4 (12-4, won 3 playoffs and Super Bowl)
1997 Denver Broncos 16-4 (12-4, won 3 playoffs and Super Bowl)
1996 Green Bay Packers 16-3 (13-3, won Super Bowl)
Two teams in history went an entire season without losing a game.
The 1972 Miami Dolphins won all 14 games of the regular season and went on to complete an undefeated post season as well winning the super bowl and going 17-0.
The 2007 New England Patriots won all 16 regular season games and won their new two post season games to win 18 games in a row to start the season. However, they lost in super bowl XLII to the New York Giants.
San Francisco. It was formerly an NFL record for wins in a decade, but the Colts broke it last week.
Cinncinnati bengals
The Pittsburgh steelers with 6!
chicago bears
NEW ENGLAND patriots
Dallas,cowboys
San Francisco. It was formerly an NFL record for wins in a decade, but the Colts broke it last week.
Indianapolis colts
Chicago Bears
Packers
Raiders
Chicago Bears
Steelers
Cinncinnati bengals
The Chicago Bears have the most regular season wins (686) and the most total wins (702) of any NFL team.
new England
The Green Bay Packers