Attilio Caja (born May 20, 1961 in Pavia, Italy) is an Italian professional basketball coach.
He was head-coach of the Italian national basketball team in 1997, and led them to the silver medal at the 1997 Mediterranean Games.
His first time as a head coach was with Pallacanestro Pavia in 1992.
Since 2016 he is the head-coach of the Italian basketball team Pallacanestro Varese.