Boy Name
Reo
Reo is a boy's name whose meaning is not firmly attested in the historical record. It is used as a boy's name across several naming traditions, and it is rare in the United States today — outside the SSA top 1,000.
Considering Reo? It is a boy name, and ranks in our Rare popularity tier. Phonetically it shares territory with Rey.
Reo meaning, origin, and usage
Meaning: Reo has a distinctive sound and evolving modern usage.
Origin: Multiple naming traditions are associated with this name.
Pronunciation: Baby Name Studio pronounces Reo as R·E·O, with 3 letters and a boy usage profile.
Popularity: According to Baby Name Studio's 2026 tracker, Reo is an uncommon, standout choice in the Rare tier.
Reo variants, nicknames, middle names, and sibling names
- Variants and spelling ideas: Reoa, Reoe, Reoy.
- Nicknames: Reo works as its own nickname.
- Middle names: Pair Reo with a middle name that balances its short sound; start with the Reo middle name generator.
- Sibling names: Rey, Rea, Roe, Rio, Ria — full picks on the sibling names for Reo guide for a cohesive sibset.
- Similar names: Looking for names that sound like Reo? Browse our names like Reo 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 Reo
What does the name Reo mean?
Reo has no single meaning that is firmly attested in the historical record. It is used as a boy name in US birth records, and parents usually choose it for its sound rather than a documented meaning.
What is the origin of Reo?
The exact origin of Reo is debated, but it has been used across multiple naming traditions.
How do you pronounce Reo?
Reo has 3 letters and is most commonly stressed on the first syllable.
Is Reo a boy's or girl's name?
Reo is primarily used as a boy's name in US records.
How popular is Reo in 2026?
In our 2026 popularity tracker, Reo sits in the Rare tier — an uncommon, standout choice.
What names are similar to Reo?
Names that share Reo's sound and style include Rey, Rea, Roe, Rio, Ria.
What middle names pair well with Reo?
Good middle-name fits for Reo pair an opposite syllable rhythm: if Reo is short, lean longer (e.g. classical or three-syllable middles); if Reo is longer, a one-syllable middle keeps the full name from feeling heavy.
What are good sibling names for Reo?
Sibling names that pair naturally with Reo share its rhythm without rhyming — Rey, Rea, Roe all sit comfortably alongside it on a shortlist.