Alberto Díaz Ortiz (born 23 April 1994) is a Spanish professional basketball player for Unicaja of the Liga ACB.

At a height of 1.91 m (6 ft 3 in) in shoes,[1] and a weight of 86 kg (190 lb),[2] he plays at the point guard position.

In the 2016–17 season, Díaz won the European-wide 2nd-tier level EuroCup, with Unicaja, after beating Valencia Basket in the Finals.

[6] Díaz took part of the Spain national under-18 basketball team that won the Albert Schweitzer Tournament in 2012.

[8] After being cut from the final roster of the Spanish NT for EuroBasket 2022, he rejoined the team at the eleventh hour in the wake of Sergio Llull's injury, eventually being an integral part of the Spanish gold medal run, particularly in terms of providing defensive balance to the team, with averages of 5.7 points, 1.1 rebounds and 1.4 assists.