Given name & surname
Alonso
“prepared for battle; eager and ready”
In Spanish use, Alonso has a related form in Alfonso. One Italian interpretation is “prepared for battle; eager and ready.”
Meaning & origin
What it means
In Spanish use, Alonso has a related form in Alfonso. One Italian interpretation is “prepared for battle; eager and ready.”
Explained through its name family
Where it comes from
In Spanish use, Alonso has a related form in Alfonso. A possible origin is Germanic, although the derivation remains uncertain.
Explained through its name family
How it developed
In Spanish use, Alonso is used as a form of Alfonso.
The story
Published U.S. birth records include this spelling as early as 1915. This is the earliest published observation available here, rather than a date for the name’s origin.
From dated birth records
Alonso through the years
- Babies since 1880
- 12,231
- 12,231 boys · 0 girls
- Most popular year
- 2010
- 380 babies
- 2025
- 324
- #785 for boys
- 2021–25 vs 2016–20
- +3%
- Steady
Where it’s given
By the numbers
In 2025, this name appeared in 324 U.S. birth records for boys, ranking No. 785 among boys’ names. Average annual use for boys was 3.1% higher in 2021–2025 than in 2016–2020. Its largest published annual count for boys was 380 in 2010. In 2025, California had the largest reported state-level birth count for boys with this name (78). Published U.S. population figures for this spelling include 13,114 as a first name in 2020; 29,520 as a surname in 2020.
From Social Security birth records and U.S. Census name counts for this exact spelling. Other spellings are counted separately.
Alonso’s family of names
Alonso has an affectionate form in Lonnie. Alonso has a feminine form in Alonsa. In Spanish usage, Alonso has a related form in Alfonso.
Inner ring: spellings · middle: nicknames and forms · outer: across languages.
Around the world
Alonso has relatives in 35 languages.
23 related names in 35 languages. Point at a dot, or tab to the map and use the arrow keys.
Nicknames & forms 5
Diminutives, pet forms, short forms and variants used alongside the name.
Spellings & scripts 1
The same name written differently, including transliterations into other scripts.
Across languages 19
Equivalents and cognates in other languages, plus older forms it grew from.
People named Alonso
- Alonso de OjedaSpanish navigator and governor1466–1515
- Alonso CanoSpanish painter, architect and sculptor (1601-1667)
- Alonso de ErcillaSpanish soldier and poet (1533-1594)
- Alonso Berruguete16th century Spanish painter, sculptor and architect (c.1486-1561)
- Alonso EdwardPanamanian sprinterborn 1989
- Alonso Sánchez CoelloSpanish artist (1531-1588)
- Alonso de Guzmán y Sotomayor, 7th Duke of Medina SidoniaSpanish admiral1550–1619
- Alonso MudarraSpanish composer1510–1580
- Alonso Álvarez de PinedaSpanish explorer and cartographer1494–1520
Characters named Alonso: Don Quixote (protagonist of Don Quixote).
Listed by how widely each person is written about, which says nothing about the name itself.
Similar names
If you love Alonso, these share its style, era, origin or sound, from outside its own family.
Angelo
“a messenger from God”
>99% boys
Anderson
“the son of Andrew”
91% boys · 9% girls
Andy
“manly; a warrior” · “manliness”
96% boys · 4% girls
Izaiah
“God is salvation” · “God is my salvation”
>99% boys
Adan
“man” · “of the earth”
99% boys · 1% girls
Apollo
Apollo is a masculine given name from Latin, ultimately from Ancient Greek. It is used in English and Polish.
>99% boys
Arjun
Arjun is used as a given name and a surname. One Sanskrit interpretation is “white: the colour of dawn, lightning, milk, and silver.”
>99% boys
Ali
“the great one; one who is exalted”
92% boys · 8% girls