Recent in Baby
When Baby Resists SolidsWhen Baby Resists SolidsBaby Biting TipsBaby Biting Tips5 Tips To Help Prevent Highchair Injuries5 Tips To Help Prevent Highchair InjuriesWhen Baby and Pet MeetWhen Baby and Pet MeetTreatments for ColicTreatments for ColicBaby Milestones – The First YearBaby Milestones – The First YearTips for Relieving Teething PainTips for Relieving Teething PainBenefits of Making Your Own Baby FoodBenefits of Making Your Own Baby Food

HomeBaby Names DirectoryArnaldo

Arnaldo

♂ Boy

Pronounced ar-NAHL-doh /ɑrˈnɑl.doʊ/Medium

Meaning: A Spanish/Italian form of Arnold — from the Germanic arn, 'eagle', + wald, 'power/rule', hence 'eagle power; eagle ruler'Low

In 30 seconds: Eagle power; eagle ruler: Arnaldo is the Spanish Arnold. Lyrical, classic, and warm (said 'ar-NAHL-doh').
💕 Browse more names
Origin LowSpanish, Germanic
MeaningA Spanish/Italian form of Arnold — from the Germanic arn, 'eagle', + wald, 'power/rule', hence 'eagle power; eagle ruler'
U.S. rank (2025)#12182 ↘ Falling
2025 U.S. births5 boys (0.00% of U.S. boys)
Peak year1989
Total births (all-time)≈ 2,080

Popularity in the U.S. · SSA data

peak 198919152025

U.S. births per year (Social Security Administration, 1880–present). Pink marker = peak year.

SSA data updated May 2026. How we source & verify this data.

History & Origin

Arnaldo is a Spanish/Italian form of Arnold — from the Germanic arn, 'eagle', + wald, 'power/rule', hence 'eagle power; eagle ruler'. A lyrical, classic name (said 'ar-NAHL-doh').

In the U.S. it appears in Hispanic and Italian families. Rare, eagle-power at the root, and lyrical.

Did you know? Arnold joins the Germanic arn, 'eagle', and wald, 'power', hence 'eagle power; eagle ruler' — Arnaldo is a Spanish/Italian form, lyrical and classic (said 'ar-NAHL-doh').
Overall data confidence 40%
References — Arnaldo — Spanish form of Arnold

Variations

ArnoldArnoldoArnaud

Nicknames

Arnie

Famous Bearers

  • Famous bearers coming soon.

If you like Arnaldo…

Arnold— the source name
Arnoldo— a kin spelling
Reynaldo— a sound-neighbor -aldo boys' name
Amado— shares the -do ending
Armando— echoes that soft -do sound

Explore names like Arnaldo

All themes →All meanings →All origins →

Frequently Asked

What does the name Arnaldo mean?

Arnaldo is a Spanish/Italian form of Arnold — Germanic 'eagle power; eagle ruler' (arn + wald).

How do you pronounce Arnaldo?

It's said ar-NAHL-doh /rnl.do/ — three syllables, stress on the second.

Is Arnaldo a boy or girl name?

Arnaldo is a boy's name.

How popular is Arnaldo?

Arnaldo is a very rare name in the U.S.

💬 Ask Nia