Tlos
| The Acropolis | |
| Location | Mugla Province, Turkey | 
|---|---|
| Region | Lycia | 
| Coordinates | 36°33′9.13″N 29°25′14.86″E / 36.5525361°N 29.4207944°E | 
| Type | Settlement | 
| History | |
| Cultures | Lycian, Roman, Byzantine, Ottoman | 
Tlos (Lycian: 𐊗𐊍𐊀𐊇𐊀 Tlawa, Hittite: 𒁕𒆷𒉿 Dalawa, Ancient Greek: Τλώς or Τλῶς) was an ancient Lycian city near the modern town of Seydikemer in the Mugla Province of southern Turkey, some 4 kilometres northwest of Saklıkent Gorge.
It was one of the oldest and largest cities of Lycia.