Name Osawa Type Surname (from location) Usage Japanese Scripts 大沢, 大澤(Japanese Kanji) Pronounced Pron. /o̞.sa̠.ɰᵝa̠/ Other Forms FormsŌsawa, Oosawa Edit Status Status Meaning & History From Japanese 大 (o) meaning "big, great" and 沢 or 澤 (sawa) meaning "marsh".
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