Boris Stefanov Mateev (also known as Boris Ștefanov, Draganov or Dragu; Bulgarian: Борис Стефанов Матеев, Boris Stefanov Mateev; October 8, 1883 – October 11, 1969) was a Romanian communist politician, who served as general secretary of the Romanian Communist Party (PCR or PCdR) from 1936 to 1940.