Namebino · Girl names · Boy names
Boy's name · #785 in the US (2025) · 2020s wave
Alonso reached its best rank, #622, in 2002 and ranked #785 in 2025. About 12,000 boys have carried it since 1915.
See where Alonso is more common.
Appears in 2020-2025 birth records of 16 states. See the full state-by-state map on this page.
See how Alonso ranks in other countries and regions.
#73 in Spain (2024) · #106 in Mexico (2024) · #109 in Puerto Rico (2025) · #304 in Ecuador (2025) · #723 in Austria (2025) · #1,143 in Sweden (2025) · #1,903 in England & Wales (2025) · #2,221 in France (2025) · #1,707 in Canada (2024).
It is also an American family name — about 30,000 people carried it as a surname in the 2010 census.
Among 450 notable people named Alonso:
Military figures appear 6.35× more often than among typical names — e.g. Alonso de Ercilla, Spanish soldier and poet (1533–1594).
Together with its spelling variant Alonzo (#511), Alonso would rank around #358 with about 910 births last year — the newborns split about 65/35 between Alonzo and Alonso.
Similar names: Alonzo · Rey · Alaric · Enzo · Camilo · Alvaro
Browse more boy names — popularity, trends and eras for 5,700+ American names, free.