Gaidar

Gaidar may refer to:

People

 * Gaidar (surname), a Russian surname
 * A spelling variant of an Arabic name (Arabic حيدر ), another form of (حيدرة), see Haydar.
 * A spelling variant of an Azerbaijani given name Heydər, Гейдар taken from Arabic, now more commonly transliterated as Heydar

Places

 * Gaidar, Iran, a village in Iran
 * Gaidar, Gagauzia, a commune and village in Gagauzia, Moldova
 * Gaidar, a former name of Novoalexandrovka village, Rovensky District, Belgorod Oblast, Russia
 * Gaidar, a former name of Qaraqol village, Atbasar District, Akmola Region, Kazakhstan