Sahaidachnyi

Sahaidachnyi is a Ukrainian surname. It may refer to:

• Petro Konashevych-Sahaidachny (c. 1582–1622), Ukrainian political, civic, and military leader
• Ukrainian frigate Hetman Sahaydachniy, a frigate of the Ukrainian Navy
• Hetman Petro Sahaidachnyi National Ground Forces Academy in Lviv, Ukraine
• Hetman Sahaidachny, a racing yacht