The baby name Natsuo is a Male name , 3 syllables long and is pronounced Japanese IPA: /na.tsɯ.o/; Kana: なつお; Romaji: Natsuo; English approx.: NAH-tsu-oh.
Natsuo is Japanese in Origin.
The baby name Natsuo is a Male name , 3 syllables long and is pronounced Japanese IPA: /na.tsɯ.o/; Kana: なつお; Romaji: Natsuo; English approx.: NAH-tsu-oh.
Natsuo is Japanese in Origin.
Natsuo is a Japanese given name, pronounced NAHT-soo-oh, whose meaning depends on the kanji. Common spellings include 夏雄 “summer + male/hero,” 夏生 “summer + born/life,” and 夏夫 “summer + man,” while forms like 那津男 use characters for their sounds rather than sense. The element -o typically marks a masculine name, though Natsuo can be unisex in contemporary usage. Written in kana, it appears as なつお or ナツオ.
Season-themed names gained popularity from the late Meiji and Taishō eras into the postwar period, and Natsuo fits this trend, evoking warmth, vigor, and new beginnings. Notable bearers include politician Natsuo Yamaguchi and crime novelist Natsuo Kirino (a female pen name), with pop-culture visibility via Natsuo Todoroki in My Hero Academia. Variants and related forms include the diminutive Natsu, and names like Natsuki, Natsuya, and Natsumi; nicknames such as Nacchan are common.
Natsuo is a genuine rarity. In all, it appears just 16 times, across 10 countries.
Based on birth registration data from national statistics agencies.
| Country | Gender | Year | Rank | Born | of |
|---|---|---|---|---|---|
| JP | Girls | 0 | #251 | 1 | 6,592 |
| TW | Boys | 0 | #256 | 1 | 7,111 |
| JP | Boys | 0 | #299 | 5 | 7,909 |
| RU | Girls | 0 | #523 | 1 | 11,913 |
| HK | Boys | 0 | #557 | 1 | 12,905 |
| BD | Boys | 0 | #605 | 1 | 10,045 |
| IQ | Boys | 0 | #697 | 1 | 13,071 |
| SG | Boys | 0 | #738 | 2 | 17,960 |
| MX | Boys | 0 | #1,033 | 1 | 16,355 |
| MY | Boys | 0 | #1,182 | 1 | 25,439 |
| MA | 0 | #1,199 | 1 | 20,986 |
Natsuo is popular in 10 countries — most recent births per country:
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