# Kosa (surname)

Source: https://namelineage.com/surname/kosa/  
Publisher: Name Lineage. Counts from the US Census Bureau; origin and etymology from Wiktionary; bearers from Wikidata. Data updated 2026-11-11.

A surname.

| Field | Value |
|---|---|
| Origin | not recorded |
| Type | not recorded |
| People in the US (2010 Census) | 666 |
| US rank (2010) | 34,110 of 162,253 |
| How often | about 1 in every 463,582 people |
| Change since 2000 | +0.8% (661 in 2000) |
| Pronunciation | not recorded |
| Variant spellings | none recorded |

## Etymology

Various: # From a Slavic language, e.g. Polish Kosa, Slovak Kosa, Ukrainian коса (kosa); from Proto-Slavic *kosa. # From Hungarian Kósa.

## Who carries it

Share of people named Kosa in the 2010 US Census by the Census's own race and ethnicity groups. The Census suppresses a share when the count behind it is small.

| Group | Share |
|---|---|
| White (not Hispanic) | 92% |
| Hispanic or Latino (any race) | 3.1% |
| Asian and Pacific Islander | 2.9% |
| Two or more races | 1.1% |

## Similar surnames

Koss, Kos, Koza, Koski, Koshy, Koga, Kosch, Koch, Keys, Keyes, Keck, Kish.

## How to read these numbers

A Census count is people alive and counted in 2010, not births, and names occurring fewer than 100 times are not published at all. Ethnicity shares are the Census's own categories.