Molodohvardiysk (Ukrainian: Молодогвардійськ, translit. Molodohvardiys’k, Russian: Молодогвардейск, translit. Molodogvardeysk) is a city in south-eastern Ukraine. It is located in the Krasnodon Raion (district) of the Luhansk Oblast (province), at around 48°20′40″N 39°39′30″E / 48.34444°N 39.65833°E.
The current estimated population is around 31,700 (as of 1991).
Molodohvardiysk was originally established in 1955 as the Molodogvardeyskiy village, named after the Young Guard resistance group. It was granted city status in 1961.