Serdar is the Turkic spelling of the Persian masculine given name Sardar (Persian: سردر sardar or سردار sardār) which generally means "commander (of an army)" but could also bear the meaning "field marshal". Notable people with the name include:
- Adil Serdar Saçan, Turkish police chief
- Serdar Apaydın, Turkish basketball player
- Serdar Avcı, Turkish boxer
- Serdar Aziz, Turkish footballer
- Serdar Azmoun, Iranian footballer
- Serdar Bayrak, Turkish footballer
- Serdar Berdimuhamedow, Turkmen politician, president of the Republic (2022-)
- Serdar Demirel (born 1983), Turkish sport shooter
- Serdar Dursun, Turkish footballer
- Serdar Gökhan (born 1943), Turkish actor
- Serdar Gözübüyük, Dutch football referee of Turkish descent
- Serdar Güneş, Turkish footballer
- Serdar Kurtuluş, Turkish footballer
- Serdar Nasır, Turkish plastic surgeon
- Serdar Ortaç (born 1970), Turkish singer, songwriter and composer
- Serdar Özbayraktar, Turkish footballer
- Serdar Özkan, Turkish footballer
- Serdar Tasci, German footballer of Turkish descent
- Serdar Topraktepe, Turkish footballer