Mitarou is a Japanese given name read みたろう in this collection, recorded with 2 written forms: 海太郎, and 美太郎. The characters of 海太郎 carry the component glosses listed below. They describe the written form rather than a fixed name meaning, because the same reading can be written many different ways. This collection labels it for boy use and notes it as unranked for popularity in this collection's sources.
Written-form notes and labels above come from this collection’s records. They are not a current usage survey or a guarantee of suitability.
Written forms
Kanji variations for Mitarou
海太郎
Dictionary record
Kanji component glosses
Name meaning not established from character glosses.
Spelling and reading recorded in JMnedict (2026-08-01 snapshot), entry 5176483. This does not establish popularity or naming intention.
海
sea, ocean
太
plump, thick, big around
郎
son, counter for sons
JMnedict documents this spelling-reading pair. KANJIDIC2 supplies the component glosses; they do not prove a combined meaning, popularity, or current naming style.
美太郎
Dictionary record
Kanji component glosses
Name meaning not established from character glosses.
Spelling and reading recorded in JMnedict (2026-08-01 snapshot), entry 5609149. This does not establish popularity or naming intention.
美
beauty, beautiful
太
plump, thick, big around
郎
son, counter for sons
JMnedict documents this spelling-reading pair. KANJIDIC2 supplies the component glosses; they do not prove a combined meaning, popularity, or current naming style.
Full-name pairings
Surnames to pair with Mitarou
Reviewed pairings for Mitarou are not yet recorded, so the examples below use frequently requested surnames from this collection. Any given name can precede a Japanese family name.
Mitarou is recorded here as 海太郎 and 美太郎, all read みたろう. Each spelling carries its own character meanings, shown on this page.
Is Mitarou a boy name or a girl name?
In this collection, Mitarou is recorded as a boy name. Japanese unisex names are common, so the same reading may appear in the other gender's registers with different spellings.
What does Mitarou mean?
The sound Mitarou does not have one fixed meaning. Written 海太郎, its characters carry the glosses 海 (sea, ocean); 太 (plump, thick); 郎 (son, counter for sons). These describe the written form, not a guaranteed name meaning.
Evidence trail
Sources
Kanji glosses help explain the written form. They are not a claim about the personality or destiny of a person who uses the name. The Jōyō Kanji reference is general character background; it does not verify every personal-name reading or establish popularity. Imported records cite their dictionary sources separately.