Alexandrina Henderson Farmer Jay, OBE (born 25 April 1949) is a British social worker and academic.
She is a visiting professor at the University of Strathclyde and the independent chair of the Centre for Excellence for Looked After Children in Scotland (CELCIS).Following the resignation of Justice Lowell Goddard, Home Secretary Amber Rudd announced on 11 August 2016 that Jay had been appointed to chair the Independent Inquiry into Child Sexual Abuse, of which she had previously been a Panel member.Jay is a former senior social worker.
She was previously chief social work adviser to the Scottish Government.
and a former president of the Association of Directors of Social Work.