The groups incorporated the San Francisco 49ers and Kansas City Chiefs, who will contend in the Super Bowl Championship on 2 February.
The hacking bunch OurMine assumed liability for the assault, which said it was to show web security was “still low” and must be improved.
The NFL didn’t react to a solicitation for input about the assault.
The Twitter, Facebook and Instagram represents 15 groups were undermined.
Twitter affirmed the records were hacked by an outsider stage.
“When we were made mindful of the issue, we bolted the undermined records and are working intimately with our accomplices at the NFL to reestablish them.”
Numerous records had a similar message posted: “Greetings, we’re back. We are here to show individuals that everything is hackable.”
A portion of the records had their profile pictures or headers changed or erased.
The OurMine Twitter account was brought down on Monday.
OurMine advised the BBC it connected with the NFL in front of the assault to offer its administrations in improving the class’ security however got no reaction.
OurMine says it is as of now situated in Dubai.
Previously, the gathering has hacked organizations and surely understood people to offer its private digital security administrations.
It has hacked the Twitter records of Netflix, Marvel, Google’s CEO Sundar Pichai, and Twitter’s organizer Jack Dorsey. It has additionally hacked Buzzfeed’s site and various Facebook and YouTube accounts.
The main assault happened at an opportune time Sunday morning with a tweet on the Chicago football crew the Bears. A post in the group’s Twitter account said it had been offered to a Saudi Arabian authority. Later a tweet said the group was exchanging a prized player for just $1 (£0.76).
All through Monday the hacking bunch focused on the NFL’s own Twitter account alongside the records of the Kansas City Chiefs, Green Bay Packers, Dallas Cowboys, Denver Broncos, Indianapolis Colts, Houston Texans, New York Giants, Philadelphia Eagles, Tampa Bay Buccaneers, Los Angeles Chargers, San Francisco 49ers, Cleveland Browns, Arizona Cardinals and Chicago Bears.
The Instagram pages of the Minnesota Vikings and Dallas Cowboys were likewise undermined.