Tazawa (written: 田澤 or 田沢) is a Japanese surname. Notable people with the surname include: , Japanese footballer , Japanese writer , Japanese baseball player , Japanese politician , Japanese voice actress , Japanese sport shooter , Japanese footballer See also Tazawa Station, a railway station in Azumino, Nagano Prefecture, Japan Lake Tazawa, a lake in Semboku, Akita Prefecture, Japan Japanese-language surnames