| Melissia | |
| Name Local: | Μελίσσια |
| Type: | community |
| Periph: | West Greece |
| Periphunit: | Achaea |
| Municipality: | Aigialeia |
| Pop Community: | 273 |
| Population As Of: | 2021 |
| Coordinates: | 38.1833°N 26°W |
Melissia (Greek, Modern (1453-);: Μελίσσια meaning [[honeycomb]]s) is a village and a community in Achaea, Greece, part of the municipal unit of Aigio. It is located 8 km south of Aigio, near the right bank of the river Selinountas. The community includes the villages Lakka and Pyrgaki. Melissia suffered damage from the July 2007 forest fires.
| Year | Population | Community population | |
|---|---|---|---|
| 1981 | 492 | - | |
| 1991 | 427 | - | |
| 2001 | 358 | 427 | |
| 2011 | 317 | 343 | |
| 2021 | 257 | 273 |