Giordano Bortolani (born 2 December 2000) is an Italian professional basketball player for Olimpia Milano of Italian Lega Basket Serie A (LBA) and the EuroLeague.
Raised in the youth sector of the team, Bortolani made four appearances in Serie A with Olimpia Milano, while he was in double membership with Bernareggio in Serie B.
Subsequently, in July 2018, he was loaned to Serie A2 to the Legnano Knights, with whom he averaged 12 points, while in July 2019 he went on loan to Pallacanestro Biella where he went on to average 15 points per game in the 25 matches played with the club.
On 20 June 2020 he renewed for five years with Milan to then be loaned again on July 1, this time in the Italian top league at Pallacanestro Brescia. On 8 July 2021 he went again with the loan formula to Treviso Basket. During his time there, he also played the Basketball Champions League with the team, winning the award for Best Young Player, while averaging 14.7 points and 2.7 rebounds per game.
After going to Spain on 19 July 2022 to play with Bàsquet Manresa (once again with the loan formula), where he averaged 10.1 points per game in 7 games with the team, on 24 November 2022, he returned in Italy where he was loaned this time to Scaligera Basket Verona.
On 11 July 2023 Bortolani returned to the main squad of Olimpia Milano.
He made his debut with the senior national team on 20 February 2020 in the match valid for the EuroBasket 2022 qualification, scoring 3 points in an 83–64 win against Russia.