Stefanov (feminine Stefanova) is a surname. Notable people with this surname include:
Antoaneta Stefanova, a Bulgarian chess grandmaster
Boris Stefanov, also known as Boris Ştefanov, a Romanian communist politician
Gligor Stefanov, a sculptor and environmental installations artist who lives in Canada
Nikoleta Stefanova, a Bulgarian-born Italian table tennis player
Riste Stefanov, a Macedonian professional basketball player
Tanya Stefanova, a female pole vaulter from Bulgaria
Vrbica Stefanov, a former Yugoslav and Macedonian professional basketball player