# Harnack (surname)

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

A surname from German.

| Field | Value |
|---|---|
| Origin | German |
| Type | not recorded |
| People in the US (2010 Census) | 601 |
| US rank (2010) | 37,125 of 162,253 |
| How often | about 1 in every 513,720 people |
| Change since 2000 | +4.0% (578 in 2000) |
| Pronunciation | not recorded |
| Variant spellings | none recorded |

## Etymology

Borrowed from German Harnack.

## Who carries it

Share of people named Harnack 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) | 95% |
| Hispanic or Latino (any race) | 3.3% |
| Two or more races | 0.8% |

## Where

Wikidata records people named Harnack in the Russian Empire and the United States.

## People named Harnack

- Adolf von Harnack, Baltic German theologian and prominent church historian (1851–1930)
- Axel Harnack, Baltic German mathematician (1851–1888)
- Mildred Harnack, American-German literary historian, professor, translator; Resistance fighter and anti-Naz
- Theodosius Harnack, Baltic German theologian (1817–1889)

## Similar surnames

Haring, Hornick, Harness, Harnish, Hornyak, Harrington, Herring, Herrington, Harms, Hornsby, Hermosillo, Hermes.

## 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.