Given name & surname

Radu

“glad, dear”

Radu is a masculine given name from Old Church Slavonic, ultimately from Proto-Slavic. It is used in Romanian.

Meaning & origin

What it means

Radu goes back to Proto-Slavic *radъ, meaning “glad, dear.”

Adapted from Wiktionary (CC BY-SA 4.0)

Where it comes from

Radu comes from Old Church Slavonic, and ultimately from Proto-Slavic.

Adapted from Wiktionary (CC BY-SA 4.0)

How it developed

Radu is a short form of Radosław.

The story

Published U.S. birth records include this spelling as early as 1976. This is the earliest published observation available here, rather than a date for the name’s origin.

From dated birth records

Radu through the years

Babies since 1880
30
30 boys · 0 girls
Most popular year
1976
5 babies
2025
0
Outside the ranked list
2021–25 vs 2016–20
—
Too few births to compare
01234198020002025Highest share 19760.0
Radu in U.S. Social Security birth records, 1976–2025, per million boys born. Years with fewer than five births for a sex are not published and appear as zero. Use the arrow keys to step through years.

By the numbers

The most recent published U.S. birth count for boys is 5 in 2022. Later missing counts do not mean the name went unused. Published U.S. population figures for this spelling include 1,165 as a first name in 2020; 1,113 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.

Radu’s family of names

Radu is a short form of Radosław. In Romanian usage, Radu has a diminutive in Răducu. In Romanian usage, Radu has a diminutive in Răduleț.

Walk Radu’s family in the name graph

RaduRădulețRăducuRăduțRadosławRăducanuRadko

Inner ring: nicknames and forms · outer: across languages.

Hover or tab through the constellation to see how each name is related. Bigger dots are names more people in the U.S. share.

Nicknames & forms 5

Diminutives, pet forms, short forms and variants used alongside the name.

Across languages 1

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.

Similar names

If you love Radu, these share its style, era, origin or sound, from outside its own family.

Armenian

Raffi

“lofty”

20RareSteady

>99% boys

Latin

Tito

“of the giants” · “a great defender”

25RareSteady

>99% boys

Hakka

Kam

“having a crooked nose”

27RareEasing

>99% boys

Slavic · Royal

Boris

“a warrior; having battle glory”

29RareEasing

>99% boys

Classical Greek

Damon

“one who tames or subdues others”

60FamiliarSteady

>99% boys

Irish or Scottish Gaelic · Celtic

Brian

“noble” · “of noble birth”

65FamiliarEasing

>99% boys

Gaelic · Royal

Ryan

“the little ruler; little king”

81CommonCooling

90% boys · 10% girls

Slavic · Modern

Jarek

“born during the spring”

23RareEasing

>99% boys

Sibling ideas

Names that share Radu’s feel without repeating its first letter or rhyming with it.

A brother for Radu

A sister for Radu