Dergachi ({{lang-ru|Дергачи}}) is the name of several inhabited localities in Russia.

Urban localities

• Dergachi, Saratov Oblast, a work settlement in Dergachyovsky District of Saratov Oblast

Rural localities

• Dergachi, Kirov Oblast, a village in Russko-Tureksky Rural Okrug of Urzhumsky District of Kirov Oblast
• Dergachi, Samara Oblast, a selo in Krasnoarmeysky District of Samara Oblast
• Dergachi, Tver Oblast, a village in Ploskoshskoye Rural Settlement of Toropetsky District of Tver Oblast

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