Eczacıbaşı S.K.
| Full name | Eczacıbaşı Spor Kulübü |
|---|---|
| Sport | Multiple (until 2007) |
| Founded | 1966 |
| Based in | Istanbul, Turkey |
| Home ground | Eczacıbaşu Sports Hall, Kartal |
| Colors | |
| Titles | Intercontinental titles |
Eczacıbaşı S.K. (Turkish: Eczacıbaşı Spor Kulübü) is a Turkish sports club founded in 1966 by the conglomerate Eczacıbaşı and based in Istanbul, Turkey. In addition to women's volleyball, the club maintained three sport divisions in the past, including table tennis, men's basketball and chess. Since 2007, it has been focusing on the 1967-founded women's volleyball branch only. In 2025, the club opened a new sports hall after closing two venues.