Dubovoy is a surname mainly of Russian and or Ukrainian origin. Notable people with the surname include:
Ivan Dubovoy (1900–1981), Soviet Army major general Oleksandr Dubovoy (born 1976), Ukrainian politician Vladislav Dubovoy (born 1989), Russian professional footballer Ivan Naumovich Dubovoy (1896–1938), Ukrainian Soviet army commander
See also Dubovoy, a rural locality (a khutor) in Boldyrevskoye Rural Settlement, Ostrogozhsky District, Voronezh Oblast, Russia