With the Hammers leading 2-1, the Senegalese midfielder was shown red by referee Mark Clattenburg for a second-half challenge on Dwight Gayle. Boss Slaven Bilic said it was not even worthy of a yellow card.
A tweet from West Ham co-chairman Gold on Saturday evening: “Disappointing decision by Mark Clattenburg to red card Kouyate which we will be appealing. We must give referees more TV replay help,”
Gold’s response was different to Croatian Bilic, who cut a frustrated figure after the ten men were pegged back by Gayle’s equaliser to dent their hopes of qualifying for the Champions League.
“Will we appeal? I am fed up with appealing,” said Bilic.
“But make no mistake, I am very disappointed. This is the fourth time that this has happened. But we will go on fighting until the end of the season.”
Should Kouyate’s appeal be unsuccessful, he will be unavailable for Saturday’s visit of Arsenal.
It is not the first contentious red card Kouyate has been involved in this season – United successfully appealed against his dismissal at Blackburn in the FA Cup in February.