Styopin (masculine), Styopina (feminine) (), also when diacritics are ignored during transliteration: Stepin (masculine), Stepina (feminine), is a Russian language surname derived from the given name Styopa, a diminutive from Stepan. Notable people with the surname include:
Aleksandr Styopin (born 1972), Russian former football player Anatoly Styopin (1940–2020), Soviet-Russian mathematician Vita Styopina (born 1976), Ukrainian high jumper
See also Stepin (disambiguation)