Nikolaos Zisis, Greek basketball player
Nikolaos "Nikos" Zisis (alternate spelling: Zissis; Greek: Νικόλαος "Νίκος" Ζήσης; born August 16, 1983) is a Greek former professional basketball player who last played for AEK Athens of the Greek Basket League and the Basketball Champions League. At a height of 1.97 m (6'5 3⁄4") tall, he played at both the point guard and shooting guard positions. He is currently the general manager of the Greece men's national basketball team

During his senior men's playing career, Zisis won the 2008 EuroLeague championship, while a member of CSKA Moscow. Zisis also won 9 national league championships in various European domestic leagues (four Italian League titles, two Russian League titles, two German League titles, and one Greek League title). In addition to that, he also won 8 national cup titles (four Italian Cups, two German Cups, one Russian Cup, and one Greek Cup). Two of his club teams, XAN Thessaloniki and Brose Bamberg, retired his team jerseys.

As a member of the senior Greek national basketball team, Zisis won the gold medal at the 2005 EuroBasket, the silver medal at the 2006 FIBA World Championship, and the bronze medal at the 2009 EuroBasket.