Mazin is a surname.
It can be of Slavic origin () where its masculine form is Mazin and the feminine counterpart is Mazina.
Notable people with the name include:
Alexander Mazin (born 1959), Russian writer, poet and songwriter (1679–1740), French architect and engineer (born 1950), French paleontologist Craig Mazin (born 1971), American screenwriter and film director Maria Mazina (born 1964), Russian Olympic champion épée fencer Viktor Mazin (1954–2022), Kazakh weightlifter