CÃÂtÃÂlin Tecuceanu (; born 9 September 1999), commonly spelled Catalin Tecuceanu (), is a Romanian-born Italian middle-distance runner.
Tecuceanu arrived in Italy in 2008, joining his parents who were already there. In 2021, setting in Savona his personal best in the 800 m with 1:44.93, he also achieved the entry standard for the participation in the 2022 World Athletics Championships in Eugene, Oregon.
Italian citizen since November 2021, and eligible to represent Italy in national competitions from 9 March 2022, with a time of 1:45.24 on 800 m set in Ostrava he also established the 10th best Italian all-time performance over distance. His previous time of 1:44.93, established in 2021 in Zagreb, was a Romanian record as the athlete at that time could only represent Romania.
At Madrid, on 23 February 2024, he established a new Italian record on the indoor 800 m with 1:45.00.
Tecuceanu has won 3 national championships.