The Football Association is investigation two allegations of racist incidents at matches involving South Yorkshire teams at the weekend.
The first involves a claim by Tottenham Hotspur Ladies player Renee Hector, that she was subjected to 'monkey noises' from a Sheffield United Ladies player.
She wrote on Twitter: "Such a shame that racism seems to be rising up again in football."
The incident was reported by Hector to the referee during the game. Tottenham said in a statement that the club was aware of allegations of racial abuse made by Renee Hector following (Sunday's) victory at Sheffield United Women.
Sheffield United in its statement said it was aware of the allegations made on social media following the fixture against Tottenham Hotspur Ladies and that the club was 'conducting a thorough investigation into this matter'.
The FA confirmed it was aware of an allegation of discriminatory abuse during The FA Women’s Championship match between Sheffield United Women and Tottenham Hotspur Ladies on Sunday 6 January.
It said: "We take all allegations of discrimination very seriously and will be making enquiries into the matter."
Meanwhile the FA also confirmed it was investigating an incident at Chesterfield involving a pitch invasion and allegations of 'racial abuse and physical contact involving opposition players'.
It came towards the end of the game against Ebbsfleet United. Chesterfield Football Club said the incidents were not acceptable to the club and that it 'condemned the conduct of a minority of supporters'. It said it would issue banning orders when individuals were identified.