Boy Name · English Origin
Karlos
Karlos is a boy baby name of English origin, meaning "Pure hearted". It currently sits in the Rare tier of US baby names for 2026, and parents who love Karlos often also consider Karlton.
Karlos meaning, origin, and usage
Meaning: Pure hearted
Origin: English naming roots help connect Karlos to related English baby names.
Pronunciation: Baby Name Studio pronounces Karlos as K·A·R·L·O·S, with 6 letters and a boy usage profile.
Popularity: According to Baby Name Studio's 2026 tracker, Karlos is an uncommon, standout choice in the Rare tier.
Karlos variants, nicknames, middle names, and sibling names
- Variants and spelling ideas: Karlosa, Karlose, Karlosy, Karlo.
- Nicknames: Kar and K.
- Middle names: Pair Karlos with a middle name that balances its substantial sound; start with the Karlos middle name generator.
- Sibling names: Karlton, Karlee, Karole, Karly, Karli — full picks on the sibling names for Karlos guide for a cohesive sibset.
- Similar names: Looking for names that sound like Karlos? Browse our names like Karlos guide for phonetic-neighbor picks.
- Explore more: use the Baby Name Explorer, name search, AI name generator, and Baby Name Studio homepage.
Frequently asked about Karlos
What does the name Karlos mean?
Karlos means "Pure hearted" and is of English origin.
What is the origin of Karlos?
Karlos originates in English naming tradition.
How do you pronounce Karlos?
Karlos has 6 letters and is most commonly stressed on the first syllable.
Is Karlos a boy's or girl's name?
Karlos is primarily used as a boy's name in US records.
How popular is Karlos in 2026?
In our 2026 popularity tracker, Karlos sits in the Rare tier — an uncommon, standout choice.
What names are similar to Karlos?
Names that share Karlos's sound and style include Karlton, Karlee, Karole, Karly, Karli.
What middle names pair well with Karlos?
Good middle-name fits for Karlos pair an opposite syllable rhythm: if Karlos is short, lean longer (e.g. classical or three-syllable middles); if Karlos is longer, a one-syllable middle keeps the full name from feeling heavy.
What are good sibling names for Karlos?
Sibling names that pair naturally with Karlos share its rhythm without rhyming — Karlton, Karlee, Karole all sit comfortably alongside it on a shortlist.