All over the world, 悦子 (Etsuko 
, 悦子 ) is quite a rare predominantly girly, but very infrequently masculine forename. The first name 悦子 is habitual in Japan, where it is a rare feminine name, the United States, and Australia, where it is a very rare girly name. Measured by absolute frequency, it is commonest in Japan, the United States, and China. Very seldom, 悦子 is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Etsuko | Malaysia, Brazil, United States, Japan, China |
| 悦子 | China |
悦子 is also a name for the fictitious and mythical characters: Etsuko Otonashi , the fictional character from Uma Musume Pretty Derby.
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稲田 悦子 figure skater, JP (b. 1924) |
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市原悦子 Japanese actress and seiyū, JP (b. 1936) |
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志穂美悦子 Japanese actress and flower artist, JP (b. 1955) |
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| 上村悦子 Japanese teacher, JP (b. 1908) |
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| 小宮悦子 Japanese sprinter, JP (b. 1919) |
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| 登悦子 badminton player, JP (b. 1926) |
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| 仁木悦子 Japanese novelist, JP (b. 1928) |
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| 武鹿悦子 Japanese poet, JP (b. 1928) |
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| 高野 悦子 Japanese film activist, cinema administrator, film producer, television writer and director, JP (b. 1929) |
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広瀬悦子 Japanese concert pianist, JP (b. 1979) |
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| 小川悦子 Japanese editor, JP (b. 1935) |
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| 安川悦子 Japanese historian, JP (b. 1936) |
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| 角宮悦子 Japanese tanka poet (1936-2016), JP (b. 1936) |
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| 木葉井悦子 Japanese painter (1937-1995), JP (b. 1937) |
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| 広瀬悦子 Japanese violinist, JP (b. 1941) |
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