Given name & surname
Reginaldo
“the king's advisor”
Reginaldo is a variant of Reginald. One Latin interpretation is “the king's advisor.”
Meaning & origin
What it means
Reginaldo is a variant of Reginald. One Latin interpretation is “the king's advisor.”
Explained through its name family
Where it comes from
Reginaldo is a variant of Reginald. An origin associated with Reginald is Latin.
Explained through its name family
The story
Published U.S. birth records include this spelling as early as 1918. This is the earliest published observation available here, rather than a date for the name’s origin.
From dated birth records
Reginaldo through the years
- Babies since 1880
- 414
- 414 boys · 0 girls
- Most popular year
- 1991
- 15 babies
- 2025
- 7
- #10,441 for boys
- 2021–25 vs 2016–20
- —
- Too few births to compare
By the numbers
In 2025, this name appeared in 7 U.S. birth records for boys, ranking No. 10,441 among boys’ names. The recent annual counts are too incomplete to establish a ten-year comparison. Its largest published annual count for boys was 15 in 1991. Published U.S. population figures for this spelling include 1,474 as a first name in 2020; 141 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.
Reginaldo’s family of names
In Italian usage, Reginaldo has a feminine form in REGINALDA. Reginaldo has a related form in Reginald. In Italian usage, Reginaldo shares a linguistic root with the Lithuanian form Reginaldas.
Inner ring: nicknames and forms · outer: across languages.
Around the world
Reginaldo has relatives in 3 languages.
3 related names in 3 languages. Point at a dot, or tab to the map and use the arrow keys.
Nicknames & forms 1
Diminutives, pet forms, short forms and variants used alongside the name.
Across languages 6
Equivalents and cognates in other languages, plus older forms it grew from.
See also 1
Names our sources mention alongside this one. They are related in story or meaning, not forms of this name.
People named Reginaldo
- ReginaldoBrazilian association football playerborn 1983
- Reginar LongneckLotharingian noble850–915
- Reginaldo FariaBrazilian actor and directorborn 1937
- Reginaldo FaifeMozambican footballerborn 1990
- Reginaldo Antonio da SilvaBrazilian association football playerborn 1990
- Reginaldo RossiBrazilian singer (1944-2013)
- Reginald of OrleansItalian friar1180–1220
- Reginaldo de LizárragaSouth American Roman Catholic prelate1539–1609
- ReginaldoBrazilian footballerborn 1993
Listed by how widely each person is written about, which says nothing about the name itself.
Similar names
If you love Reginaldo, these share its style, era, origin or sound, from outside its own family.
Reynaldo
“the king's advisor”
>99% boys
Basilio
“royal” · “of the royal family; a kingly man”
>99% boys
Ronson
“the king's advisor”
>99% boys
Reynald
“the king's advisor”
>99% boys
Fitzroy
“the son of Roy”
>99% boys
Rodolfo
“glorious wolf”
>99% boys
Rodriguez
“son of Rodrigo”
>99% boys
Kendel
“from the royal valley”
79% boys · 21% girls