| Drosero | |
| Name Local: | Δροσερό |
| Type: | community |
| Coordinates: | 40.5361°N 21.6042°W |
| Periph: | Western Macedonia |
| Periphunit: | Kozani |
| Municipality: | Eordaia |
| Municunit: | Ptolemaida |
| Population As Of: | 2021 |
| Population: | 202 |
Drosero (Δροσερό, before 1927: Κονούφι - Konoufi,[1] between 1927 and 1955: Έλος - Elos,[2] Bulgarian: Конуй) is a small town located in the Ptolemaida municipal unit, northern Kozani regional unit, itself in the Greek region of Macedonia.[3]