Alan Duffy

Alan Duffy may refer to:
 * Alan Duffy (astronomer) (born 1983), astronomer and science communicator
 * Alan Duffy (record label owner), founder of Imaginary Records
 * Alan Duffy (footballer) (born 1949), footballer for Tranmere Rovers
 * Alan Duffy, a character in Food Chain
 * Alan Duffy, Argentine recording artist of British descent, best known as the lead vocalist of King África dance music project