Morioka (written: 森岡 or 守岡) is a Japanese surname. Notable people with the surname include:
, Japanese boxer , Japanese swimmer , Japanese anime director and artist , Japanese writer , Peruvian-born Japanese futsal player , Japanese musician , Japanese racewalker , Japanese philosopher , Japanese politician Ted Morioka, American politician , Japanese footballer , Japanese baseball player , Japanese footballer , Japanese footballer Zak Morioka (born 1978), Brazilian racing driver