reviewedmale

琥太郎

Kotaro Japanese Name

こたろう · コタロウ

JMnedict contains the exact reviewed pairs 琥太郎・こたろう, 虎太郎・こたろう. 琥太郎 is no. 53 in the 2022 Tamahiyo boys' name sample; 虎太郎 is no. 83 in the 2022 Tamahiyo boys' name sample. These rankings document the stated survey sample and are not a census of all births in Japan.

Meaning overview

These interpretations belong to this reviewed name record. Variant-specific explanations appear separately below.

  • For 琥太郎, 琥 includes “jewelled utensil”; 太 includes “plump”; 郎 includes “son”. These are literal character glosses rather than a fixed whole-name translation.
  • For 虎太郎, 虎 includes “tiger”; 太 includes “plump”; 郎 includes “son”. These are literal character glosses rather than a fixed whole-name translation.
reviewed-kanjithree-kanjimultiple-reviewed-variants

Name facts

This record has passed the site's publication quality gate.

Hiragana
こたろう
Katakana
コタロウ
Pronunciation
koh-tah-roh
Gender association
Masculine
Usage status
Common
Origin
Japanese given-name record covering the reviewed spellings 琥太郎・こたろう, 虎太郎・こたろう.
Mora count
4
Record status
Reviewed
Last reviewed
July 28, 2026

Naturalness note

JMnedict contains the exact reviewed pairs 琥太郎・こたろう, 虎太郎・こたろう. 琥太郎 is no. 53 in the 2022 Tamahiyo boys' name sample; 虎太郎 is no. 83 in the 2022 Tamahiyo boys' name sample. These rankings document the stated survey sample and are not a census of all births in Japan.

Kanji variants

Each spelling is documented separately so its gloss and usage note are not mixed with another variant.

琥太郎

こたろう

high confidence

Documented interpretation

  • 琥: jewelled utensil
  • 太: plump
  • 郎: son

Usage note

JMnedict contains the exact 琥太郎・こたろう pair. Tamahiyo lists it at no. 53 in the 2022 Tamahiyo boys' name sample; this supports observed use in that sample, not nationwide frequency.

Sources: 1, 2, 3

虎太郎

こたろう

high confidence

Documented interpretation

  • 虎: tiger
  • 太: plump
  • 郎: son

Usage note

JMnedict contains the exact 虎太郎・こたろう pair. Tamahiyo lists it at no. 83 in the 2022 Tamahiyo boys' name sample; this supports observed use in that sample, not nationwide frequency.

Sources: 1, 2, 3

Editorial notes

Cultural context

  • This page keeps 2 documented spellings for the reading こたろう separate: 琥太郎, 虎太郎.
  • Only exact kanji-and-reading pairs found in JMnedict and either a 2022–2025 Tamahiyo name ranking or a named main-use example in the 2025 reading ranking are included in this scaled record.

Pronunciation notes

  • こたろう contains 4 morae. The English guide is approximate and does not encode Japanese pitch accent.

Common misunderstandings

  • The KANJIDIC glosses shown for 琥太郎, 虎太郎 describe individual characters; they do not prove a bearer’s intended name meaning.
  • Sharing the reading こたろう does not make these spellings interchangeable; each variant has separate evidence.

Explore by first letter

This English-language browsing link follows the first letter of the reviewed romaji. It is separate from Japanese kana ordering.

Names Starting With K

Related names

Continue with other reviewed records connected by the editorial data.

Related nameAmane天音 · あまねRelated nameAn杏 · あんRelated nameAnna杏奈 · あんなSimilar nameKoharu心陽 · こはるSimilar nameKoki光希 · こうきSimilar nameKoto心都 · ことShared kanjiEita瑛太 · えいたShared kanjiHinata陽向 · ひなたShared kanjiKanata奏汰 · かなたShared kanjiSota颯太 · そうた

Sources and evidence limits

Sources support specific fields, not every possible claim about the name. Their limitations remain visible here.

  1. ENAMDICT/JMnedict Japanese Proper Names Dictionary

    Electronic Dictionary Research and Development Group · JA,EN · accessed Jul 25, 2026

    Fields supported on this page

    Hiragana, Romaji, Genders, Is Real Name, Origin, Kanji Variants 0 reading, Kanji Variants 1 reading

    Each published spelling on this record was matched to the exact こたろう reading in JMnedict.

    Source limitation

    Dictionary inclusion does not measure current frequency, guarantee a reading for every bearer, or establish legal acceptance of a new registration.

  2. KANJIDIC Project

    Electronic Dictionary Research and Development Group · JA,EN · accessed Jul 25, 2026

    Fields supported on this page

    Meanings, Themes, Kanji Variants 0 meanings, Kanji Variants 1 meanings

    Only individual-character English glosses are used.

    Source limitation

    Character glosses are not whole-name translations and do not establish an intended whole-name meaning or family etymology.

  3. 2022年 男の子赤ちゃんの名前ランキング100

    Benesse Corporation (たまひよ) · JA · accessed Jul 28, 2026

    Fields supported on this page

    Usage Status, Genders, Naturalness Note, Kanji Variants 0 usage Note, Kanji Variants 1 usage Note

    The cited ranking supplies the exact spelling and reading as either a ranked name entry or the named main-use example for a ranked reading, together with gendered-list context.

    Source limitation

    The ranking covers names submitted through Benesse products and services for births from January 1 to September 27, 2022; the 149,152 boys in the sample do not represent a census of all births in Japan.