Kostakis
Kostakis is a given name and surname. Notable people bearing it include:
- Charis Kostakis, Greek professional footballer
- Kostakis Artymatas, Cypriot professional footballer
- Kostakis Konstantinou, Cypriot professional footballer
- Kostakis Pierides, Cypriot professional footballer
- Nikos Kostakis, Greek professional footballer
- Will Kostakis, Australian author and journalist
- George Costakis, collector of Russian avant-garde art