Browse Submitted Surnames

This is a list of submitted surnames in which the usage is Japanese; and the first letter is O; and the gender is unisex.

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Submitted names are contributed by users of this website. The accuracy of these name definitions cannot be guaranteed.

Osanai Japanese

Osanai 小山内, おさない Japanese
From Japanese 小 (o) meaning "small", 山 (san) meaning "mountain" and 内 (nai) meaning "inside".

Osaragi 大仏, 大佛, おさらぎ Japanese (Rare)
From Japanese 大仏 (daibutsu) meaning "great statue of Buddha" with an assigned reading of おさらぎ (osaragi), from さらぎ (saragi), sound-changed from さらき (saraki), from 更木 (saraki) meaning "new wood; unused wood", referring to a statue of Buddha that was created using fresh wood.

Osaragi 大仏, 大佛, おさらぎ Japanese (Rare)
From Japanese 大仏 (Osaragi), a variant reading of 大仏 (Daibutsu), a clipping of 大仏ケ谷 (Daibutsugayatsu), a former name for the area of Hase in the city of Kamakura in the prefecture of Kanagawa in Japan.

Osaragi 大仏, 大佛, おさらぎ Japanese (Rare)
From Japanese 大仏 (Osaragi), sound- and script-changed from 若木 (Osanagi), a clipping of 若木山 (Osanagiyama) meaning "Osanagi Mountain", a mountain in the city of Higashine in the prefecture of Yamagata in Japan.

Osaragi 大仏, 大佛, おさらぎ Japanese (Rare)
From Japanese 大仏 (daibutsu) meaning "great statue of Buddha" with an assigned reading of おさらぎ (saragi), sound-changed from Old Japanese おぽさらぎ (oposaragi), from オポ (opo) meaning "great; large" and サラギ (saragi) meaning "newcomer", referring to the large number of visitors to a great statue of Buddha.

Osaragi 大仏, 大佛, おさらぎ Japanese (Rare)
From Japanese 大仏 (osaragi), from Old Japanese オホソレキ (ohosoreki), from オホ (oho) meaning "great; large", ソレ (sore) meaning "slash-and-burn cultivation" , and キ (ki) meaning "place", referring to a place in the mountains that had been slash-and-burn cultivated.

Osata Japanese

Osato Japanese
O means "big" and sato means "hamlet, village, town".

Ōsawa 大沢, 大澤 Japanese
Alternate transcription of Osawa.

Osawa 大沢, 大澤 Japanese
From Japanese 大 (o) meaning "big, great" and 沢 or 澤 (sawa) meaning "marsh".

Ose 大瀬 Japanese
From 大 (o) meaning "big, large, great" and 瀬 (se) meaning "torrent, ripple, current".

Oseki Japanese

Oshii Japanese

Oshika Japanese

Ōshima 大島, 大嶋 Japanese
From Japanese 大 (o) meaning "big, great" and 島 or 嶋 (shima) meaning "island".

Oshima 大島, 大嶋 Japanese
Alternate transcription of Ōshima.

Oshio Japanese

Ōshita 大下, おおした Japanese
From Japanese 大 (ō) meaning "big, great" and 下 (shita) meaning "under, below".

Oshita 大下, おおした Japanese
Alternate transcription of Japanese 大下 (see Ōshita).

Osoreda Japanese

Osu Japanese
Variant transcription of Ousu.

Ōsuga 大菅, おおすが Japanese
From Japanese 大 (ō) meaning "big, great" and 菅 (suga) meaning "sedge".

Osuga Japanese

Osuga 大菅, おおすが Japanese
Alternate transcription of Japanese Kanji 大菅 (see Ōsuga).

Osuga 小菅, おすが Japanese (Rare)
Variant reading of Japanese Kanji 小菅 (see Kosuge).

Osuge 小菅, おすげ Japanese (Rare)
Variant reading of Japanese Kanji 小菅 (see Kosuge).

Ōsugi 大杉, おおすぎ Japanese
From Japanese 大 (ō) meaning "big, great" and 杉 (sugi) meaning "cedar".

Osugi 大杉, おおすぎ Japanese
Alternate transcription of Japanese Kanji 大杉 (see Ōsugi).

Osuka Japanese

Osumi 大隅 Japanese
From 大 (o) meaning "big, great" and 隅 (sumi) meaning "corner, nook".

Ōta 大田, 太田 Japanese
From Japanese 大 (o) meaning "big, great" or 太 (o) meaning "plump, fat, thick" and 田 (ta) meaning "field, rice paddy".

Otabara Japanese
Variant of Otahara.

Otahara Japanese

Ōtaka 大高, 大鷹, 大孝, 大嵩, 大貴 Japanese
This surname combines 大 (tai, dai, oo-, -oo.ini, oo.kii) meaning "big, large" with 高 (kou, taka, taka.i, taka.maru, taka.meru, -daka) meaning "expensive, high, tall," 鷹 (ou, you, taka) meaning "hawk, eagle, falcon", 孝 (kyou, kou, taka) meaning "child's respect, filial piety," 嵩 (shuu, suu, kasa, kasa.mu, taka.i) meaning "be aggravated, grow bulky, grow worse, swell" or 貴 (ki, tatto.i, tatto.bu, touto.i, touto.bu, taka) meaning "esteem, honour, precious, prize, value."... [more]

Otaka 大高, おおたか Japanese
Alternate transcription of Japanese Kanji 大高 (see Ōtaka).

Ōtake 大竹, おおたけ Japanese
From Japanese 大 (ō) meaning "big, great" and 竹 (take) meaning "bamboo".

Otake 大竹, おおたけ Japanese
Alternate transcription of Japanese 大竹 (see Ōtake).

Ōtaki 大滝, 大瀧 Japanese
From Japanese 大 (o) meaning "big, great" and 滝 or 瀧 (taki) meaning "waterfall".

Ōtani 大谷, おおたに Japanese
From Japanese 大 (ō) meaning "big, great" and 谷 (tani) meaning "valley".

Otawara Japanese
A notable bearer is Harukiyo Otwara, a daimyo of the Sengoku Period.

Ōto 網戸 Japanese
Variant of Amito.

Oto Japanese
O means "great, large" and to means "wisteria".

Otodanketsu 音団結 Japanese
音 (oto) means sound, 団 (Dan) means group, and 結 (ketsu) means conclusion, 団結 (danketsu) means Unity, making the full name 音団結(Otodanketsu) mean sound unity. the name was borne from Yasuhito Otodanketsu, a character in a Danganronpa fan series called Danganronpa endless: Hope Convalescence.

Ōtomo 大友, おおとも Japanese
From Japanese 大 (ō) meaning "big, great" and 友 (tomo) meaning "friend".

Otomo 大友, おおとも Japanese
Alternate transcription of Japanese 大友 (see Ōtomo).

Otonari 乙成, 音成, おとなり Japanese
This surname combines 乙 (itsu, otsu, oto-, kinoto) meaning "duplicate, strange, the latter, witty" or 音 (in, on, -non, oto, ne) meaning "noise, sound" with 成 (jou, sei, na.su, -na.su, na.ru, nari) meaning "become, elapse, get, grow, reach, turn into."

Otori Japanese

Otsu Japanese
O means "big, great" and tsu means "harbor, seaport".

Ōtsubo 大坪 Japanese
From Japanese 大 (o) meaning "big, great" and 坪 (tsubo), a traditional unit of measurement equivalent to approximately 3.306 square metres.

Otsubo 大坪 Japanese
Alternate transcription of Ōtsubo.

Otsuji Japanese

Ōtsuka 大塚, おおつか Japanese
From Japanese 大 (ō) meaning "big, great" and 塚 (tsuka) meaning "hillock, mound".

Otsuka 大塚, 太塚 Japanese
From the Japanese 大 (o) "big" or 太 (o) "fat," "thick" and 塚 (tsuka) "mound."

Otsuka 大塚, おおつか Japanese
Alternate transcription of Japanese 大塚 (see Ōtsuka).

Ōtsuki 大槻, おおつき Japanese
From Japanese 大 (ō) meaning "big, great" and 槻 (tsuki) referring to a type of zelkova tree (scientific name Zelkova serrata).

Otsuki 大槻, おおつき Japanese
Alternate transcription of Japanese Kanji 大槻 (see Ōtsuki).

Otsukotsu 乙骨, おつこつ Japanese (Rare)
Variant reading of Japanese Kanji 乙骨 (see Okkotsu).

Otsuyama Japanese

Ou 奥, おう Japanese (Rare)
Variant transcription of Japanese Kanji 奥 (see Ō).

Ōuchi 大内, おおうち Japanese
From Japanese 大 (ō) meaning "big, great" and 内 (uchi) meaning "inside".

Ouchi 大内, おおうち Japanese
Alternate transcription of Japanese 大内 (see Ōuchi).

Oukawa Japanese

Ouma Japanese (Modern)

Ōura 大浦, おおうら Japanese
From Japanese 大 (ō) meaning "big, great" and 浦 (ura) meaning "bay, inlet".

Oura 大浦, おおうら Japanese
Alternate transcription of Japanese 大浦 (see Ōura).

Ousu Japanese

Owada Japanese

Ōwaki 大脇, おおわき Japanese
From Japanese 大 (ō) meaning "big, great" and 脇 (waki) meaning "side".

Owaki 大脇, おおわき Japanese
Alternate transcription of Japanese Kanji 大脇 (see Ōwaki).

Owara Japanese
Variant of Ohara.

Owari 終里 Japanese
From Japanese 終 (owa) meaning “last, to finish” and 里 (ri) meaning “village, the home of one’s parents, hometown”. The latter character is also an archaic Japanese unit of area.

Ōya 大屋, おおや Japanese
From Japanese 大 (ō) meaning "big, great" and 屋 (ya) meaning "roof, house, shop".

Ōya 大矢, おおや Japanese
From Japanese 大 (ō) meaning "big, great" and 矢 (ya) meaning "arrow".

Oya Japanese
Variant of Otani.

Oya 大屋, おおや Japanese
Alternate transcription of Japanese Kanji 大屋 (see Ōya).

Oya 大矢, おおや Japanese
Alternate transcription of Japanese Kanji 大矢 (see Ōya).

Oyagawa Japanese
Variant of Oyakawa.

Oyaizu Japanese

Oyakawa 親川 Japanese
From the Japanese 親 (oya) "parent" and 川 (kawa) "river."

Oyama 大山 Japanese
From the Japanese 大 (o) "big" and 山 (yama) "mountain."

Oyamada Japanese
O means "small", yama means "mountain", da is a form of ta meaning "field, wilderness, rice paddy".

Oyanagi Japanese
O means "great, big" and yanagi means "willow".

Oyoshi Japanese

Ozaka Japanese
"Big, great slope". Variant of Osaka.

Ozaki Japanese
A variant of Osaki. O means "Big" and Zaki means "Peninsula, Cape, Promontory".

Ozaki 尾崎, おざき Japanese
From Japanese 尾 (o) meaning "tail, foot, end" and 崎 (saki) meaning "cape, peninsula".

Ozato Japanese
Variant of Osato.

Ozawa 小沢, 小澤 Japanese
From Japanese 小 (o) meaning "small" and 沢 or 澤 (sawa) meaning "marsh".

Ōzeki おぜき, 小関, 大関 Japanese
From Japanese 小 (o) meaning "big, great" or 大 (ō) meaning "big, great" and 関 (seki) meaning "frontier, pass".

Ōzora 大空, おおぞら Japanese
From Japanese 大 (ō) meaning "big, great" and 空 (sora) meaning "sky".

Ozu Japanese (Rare)
In this surname O can mean "small" and zu means "harbor". ... [more]

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