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Koga 古賀 – Japanese surname

Koga (古賀) is read こが and has 2 syllables. It is a family name. Written as 古賀, the characters mean: old + congratulations. This reading can be written with at least 27 different kanji combinations (the 6 most common are shown below), with 6 to 19 strokes in total.

About the name Koga

Koga (古賀) means old celebration. It is also associated with the Koga ninja of Shiga.

How to write Koga in Japanese

KanjiReadingLiteral meaningStrokes
古賀こがold + congratulations17
小川こがlittle + stream6
古家こがold + house15
古川こがold + stream8
小河こがlittle + river11
児過こがnewborn babe + overdo19

Meanings are literal translations of each kanji. Names are often chosen for sound, so the intended meaning can differ.

The kanji in Koga

古
old
5 strokes, taught in elementary school, grade 2
On: コ Kun: ふる
賀
congratulations, joy
12 strokes, taught in elementary school, grade 5
On: ガ
小
little, small
3 strokes, taught in elementary school, grade 1
On: ショウ Kun: ちい、こ、お
川
stream, river, river or three-stroke river radical
3 strokes, taught in elementary school, grade 1
On: セン Kun: かわ
家
house, home, family, professional
10 strokes, taught in elementary school, grade 2
On: カ、ケ Kun: いえ、や、うち

Koga in different scripts

RomajiKoga
Hiraganaこが
Katakanaコガ
Kanji (most common)古賀

Full name examples

How to pronounce Koga

Break it into 2 parts: ko · ga. Japanese has no stressed syllables like English, so say each part with the same length and the same weight. The 2 sound units are written こが.

Questions about Koga

What does Koga mean in Japanese?

Koga has no single fixed meaning: it depends on the kanji. The most common spelling, 古賀, combines these meanings: old + congratulations. Other spellings include 小川 (little + stream), 古家 (old + house), 古川 (old + stream).

How do you write Koga in kanji?

The most common way is 古賀 (こが). It can also be written 小川, 古家, 古川, 小河, 児過.

How do you write Koga in katakana?

Koga is コガ in katakana and こが in hiragana.

How do you pronounce Koga?

Koga is read こが and has 2 syllables (morae).

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Themes: Nature

Other surnames that use 古

古: old

Names with a similar sound

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Name data: JMnedict and KANJIDIC2, © EDRDG, licensed CC BY-SA 4.0. Filtered, regrouped and annotated by NihonNames.