Athanasios Mantzouranis (Greek: Αθανάσιος Μαντζουράνης; born 11 April 1982) is a retired Greek amateur track cyclist.^[1] He has won multiple titles in track time trial (kilo), sprint (individual and team), and Keirin at the Greek Championships since 1999, and later represented his nation Greece at the 2008 Summer Olympics.

Mantzouranis qualified for the Greek squad in two track cycling events at the 2008 Summer Olympics in Beijing by receiving a berth for his team based on the nation's selection process from the UCI Track World Rankings. Teaming with Vasileios Reppas and Panagiotis Voukelatos in the men's sprint race, held on the first day of track cycling, Mantzouranis recorded a time of 45.645 and a speed of 59.152 km/h to deliver the Greek trio a tenth-place finish in the prelims.^[2] The following day, in men's keirin, Mantzouranis missed a chance to advance further to the later rounds, after finishing fifth in the opening prelims, third in the repechage, and seventeenth overall from the final standings.^[3]

• NBC Olympics Profile
• Athanasios Mantzouranis at Cycling Archives (archived)