| Nikis Avenue | |
| Former Names: | Vasileos Konstantinou Avenue |
| Location: | Thessaloniki, Macedonia,  Greece |
| Length Km: | 1.3 |
| Junction: | (Streets) Dragoumi, Venizelou, Komninon, Aristotelous, Karolou Diehl, Agias Sofias, Gounari, Mela |
| Namesake: | Victory in the Balkan Wars |
| Owner: | Municipality of Thessaloniki |
| Terminus A: | Eleftherias Square |
| Terminus B: | White Tower |
Nikis Avenue (Greek, Modern (1453-);: Λεωφόρος Νίκης,Leofóros Níkis, trans. "Victory Avenue") is the central waterfront avenue in Thessaloniki, Greece. The three line eastward avenue stretches from Eleftherias Square in the west, in front of Aristotelous Square to the White Tower in the east, where it meets with Alexander the Great Avenue. Leoforos Nikis is the busiest, most famous, most photographed and most painted street in Thessaloniki and has the highest residential property value in the city, and among the highest residential and commercial property values in Southeastern Europe.Nikis Avenue is also very important commercially, as it is lined with numerous cafés, restaurants and businesses and is frequented by thousands of tourists and locals every day. The consulates of Switzerland, Spain, the Czech Republic, Cyprus and the Philippines are located along the avenue.[1]
From the end of the 19th century until now the Avenue has changed names: