Cătălin Tecuceanu (Romanian: [kətəˈlin tekuˈtʃe̯anu]; born 9 September 1999), commonly spelled Catalin Tecuceanu (Italian: [kataˈlin tekuˈtʃaːnu]), is a Romanian-born Italian middle-distance runner.

[1] 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.

[2] 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.

[4] At Madrid, on 23 February 2024, he established a new Italian record on the indoor 800 m with 1:45.00.