They have banned snoods on safety grounds with immediate effect.
The neck-warmers had already been outlawed by Manchester United manager Sir Alex Ferguson, and several other clubs (including Leeds United).
FIFA believe snoods posed a safety risk if opponents grab them when players are running at speed.
FIFA president Sepp Blatter: "It can also be dangerous, it can be like to hang somebody.
"I was a football player in winter and summer and have never worn that and we must also pay attention to the law that says what the equipment is."