The FA are studying Mourinho's words before deciding whether to take any action against the forthright Chelsea chief.
"The FA is extremely disappointed with the comments made by Jose Mourinho to the media yesterday," read an FA statement.
"At a time when the football authorities are collectively striving to improve behaviour at all levels of the game, some of those views expressed by Mourinho are unnecessary, unhelpful, bad for the image of the game and inaccurate.
"The Arsenal vice-chairman David Dein is one of four members of the FA Board representing the FA Premier League. The four Premier League representatives are elected by the 20 member Premier League clubs (including Chelsea) to represent their views within The FA.
"We would like to state categorically that Mr Dein does not have any involvement within The FA's Disciplinary or Compliance functions. It should also be made clear that he is not a member of The FA's Disciplinary Committee.
"Therefore, Mr Dein does not have any input into any decisions to charge individuals or clubs with breaches of FA rules, nor in any judgement or punishment administered by a Disciplinary Commission.
"If any club or official has any comment or complaint to make about the role of any individual within the game, there are channels available to do this through clubs to the football authorities - not by individuals in a press conference.
"The FA is currently studying the comments made by Mr Mourinho."
