Gianluca Cadenasso (born 29 September 2004) is an Italian tennis player. Cadenasso has a career high ATP singles ranking of world No. 227 and a doubles ranking of No. 181, both achieved on 30 March 2026.
Cadenasso won his first ATP Challenger Tour main draw match at the 2025 AON Open Challenger, defeating Nicolai Budkov Kjær in the first round. He reached the final of the doubles at the same tournament, losing to Mick Veldheer and Szymon Walków with partner Lorenzo Carboni. He reached another doubles final at the 2025 Cittàdi Biella, where he won his first Challenger title, partnering Filippo Romano.
In 2025, Cadenasso reached his first ATP Challenger Tour singles final in Alicante, Spain. He won his first ATP Challenger singles title at the 2026 Paraguay Open, defeating Franco Roncadelli in the final.