Proti Island
| Native name:  Πρώτη | |
|---|---|
| Proti from the opposite coast | |
| Geography | |
| Coordinates | 37°03′N 21°33′E / 37.050°N 21.550°E | 
| Area | 3 km2 (1.2 sq mi) | 
| Administration | |
| Greece | |
| Region | Peloponnese | 
| Regional unit | Messenia | 
| Demographics | |
| Population | 0 (2011) | 
| Pop. density | 0/km2 (0/sq mi) | 
Proti Island of Messenia (Πρώτη Μεσσηνίας) is an island in the Ionian Sea, on the west coast of the Peloponnese; it is counted as one of the Ionian Islands, though administratively, it is part of the municipality of Gargalianoi, in the regional unit of Messenia. The 2001 census reported a population of four inhabitants.