Zhelyazkov () is a Bulgarian masculine patronymic surname, its feminine counterpart is Zhelyazkova. 'Zhelyazo' means 'iron'. It may refer to:
Andrey Zhelyazkov (born 1952), Bulgarian footballer Binka Zhelyazkova (1923–2011), Bulgarian film director Dimitar Zhelyazkov (born 1970), Bulgarian criminal Dobri Zhelyazkov (1800–1865), Bulgarian businessman Plamen Zhelyazkov (born 1972) Bulgarian male weightlifter Rosen Zhelyazkov, (born 1968) Bulgarian politician
See also Yevgeni Zhelyakov (born 1976), Russian footballer