| Clubname: | Acharnaikos |
| Fullname: | Athlitikos Omilos Acharnaikos |
| Founded: | as Panthiras Menidiou |
| Ground: | Acharnes Stadium |
| Capacity: | 4,450 |
| Chairman: | Aristeidis Iliadis |
| Manager: | Giorgos Papakostoulis |
| League: | East Attica FCA First Division |
| Season: | 2022–23 |
| Position: | East Attica FCA First Division, 3rd |
| Pattern B1: | __greenhoops |
| Shorts1: | 2e8b57 |
| Socks1: | ffffff |
Acharnaikos Football Club (Greek, Modern (1453-);: Α.Ο. Αχαρναϊκός) is a Greek football club based in Acharnes (Menidi area), Athens, Greece. It was founded in 1939 as Panthiras Menidiou. The club was known as Yperochi Menidi until 1961. It plays in Acharnes Stadium, which has a 4,450 seating capacity. The club's logo is a cloverleaf with two alphas in the left and top and an omicron at the right.
1977–78
1992–93, 1999–00, 2011–12
1962–63
1969–70