Nicola Jane Williams (born 4 June 1982) is an Australian association football (soccer) coach and former player.

Williams signs as assistant with the inaugural AC Milan women's team in the Italian Serie A.

In June 2023 Williams was appointed Assistant Manager at London City Lionesses,[10] Later in July 2023 she was joined by Morace who was appointed club manager[11] Born in England she moved to Australia at a young age and found her love for sports representing her state in Tennis, Volleyball, Hockey and Football (soccer).

At the age of only 16, Williams began her studies in Sports Science at the University of Western Australia as a scholarship recipient.

On 11 October 2020, it was revealed Williams married Italian footballer Carolina Morace, with whom she celebrated the wedding twice—first in Bristol, on the SS Great Britain in July 2014, and the second in Australia in May 2019.