# Fonseca (surname)

Source: https://namelineage.com/surname/fonseca/  
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 | Spanish |
| Type | not recorded |
| People in the US (2010 Census) | 25,863 |
| US rank (2010) | 1,363 of 162,253 |
| How often | about 1 in every 11,938 people |
| Change since 2000 | +33% (19,513 in 2000) |
| Pronunciation | not recorded |
| Variant spellings | none recorded |

## Etymology

Borrowed from Spanish and Portuguese Fonseca.

## Who carries it

Share of people named Fonseca 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) | 18% |
| Black (not Hispanic) | 2.0% |
| Hispanic or Latino (any race) | 78% |
| Asian and Pacific Islander | 1.1% |
| American Indian and Alaska Native | 0.3% |
| Two or more races | 0.8% |

## Where

Wikidata records people named Fonseca in Brazil, the United States, the Kingdom of Portugal and Belize.

## People named Fonseca

- Lyndsy Fonseca, American actress
- Rubem Fonseca, Brazilian writer and screenwriter (1925–2020)
- João Fonseca, Brazilian tennis player (born 2006)
- Hermógenes Fonseca, Brazilian footballer
- Juninho Fonseca, Brazilian footballer
- Manuel Pinto da Fonseca, 68th Prince and Grand Master of the Order of Saint John
- Irene Fonseca, American mathematician
- Leandro Fonseca, Brazilian footballer
- Adélia Fonseca, Brazilian poet, pianist and painter (1827-1920)
- Isabel Fonseca, American writer
- Francis Fonseca, Belizean statesman and diplomat
- Ademilde Fonseca, Brazilian singer (1921-2012)

and 3 more on Wikidata.

## Similar surnames

Funkhouser, Funches, Fankhauser, Funchess.

## 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.