Boy Name
Vasilios
Vasilios means “Of the king, kingly, royal”. 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.
Origin and meaning: English Wiktionary (CC BY-SA 4.0). Popularity: US Social Security Administration.
Vasilios — a boy name — is an uncommon, standout choice. Its meaning, "Of the king, kingly, royal", anchors the name in something deeper than sound alone. If Vaughan is on your shortlist, Vasilios belongs in the same conversation.
Vasilios meaning, origin, and usage
Meaning: Of the king, kingly, royal
Origin: Multiple naming traditions are associated with this name.
Pronunciation: Baby Name Studio pronounces Vasilios as V·A·S·I·L·I·O·S, with 8 letters and a boy usage profile.
Popularity: According to Baby Name Studio's 2026 tracker, Vasilios is an uncommon, standout choice in the Rare tier.
Vasilios variants, nicknames, middle names, and sibling names
- Variants and spelling ideas: Vasiliosa, Vasiliose, Vasiliosy, Vasilio.
- Nicknames: Vasi and V.
- Middle names: Pair Vasilios with a middle name that balances its substantial sound; start with the Vasilios middle name generator.
- Sibling names: Vaughan, Vishal, Vassie, Valdemar, Vashon — full picks on the sibling names for Vasilios guide for a cohesive sibset.
- Similar names: Looking for names that sound like Vasilios? Browse our names like Vasilios 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 Vasilios
What does the name Vasilios mean?
Vasilios means "Of the king, kingly, royal". The meaning is recorded in English Wiktionary (CC BY-SA 4.0), and in US records Vasilios is used as a boy name.
What is the origin of Vasilios?
The exact origin of Vasilios is debated, but it has been used across multiple naming traditions.
How do you pronounce Vasilios?
Vasilios has 8 letters and is most commonly stressed on the first syllable.
Is Vasilios a boy's or girl's name?
Vasilios is primarily used as a boy's name in US records.
How popular is Vasilios in 2026?
In our 2026 popularity tracker, Vasilios sits in the Rare tier — an uncommon, standout choice.
What names are similar to Vasilios?
Names that share Vasilios's sound and style include Vaughan, Vishal, Vassie, Valdemar, Vashon.
What middle names pair well with Vasilios?
Good middle-name fits for Vasilios pair an opposite syllable rhythm: if Vasilios is short, lean longer (e.g. classical or three-syllable middles); if Vasilios is longer, a one-syllable middle keeps the full name from feeling heavy.
What are good sibling names for Vasilios?
Sibling names that pair naturally with Vasilios share its rhythm without rhyming — Vaughan, Vishal, Vassie all sit comfortably alongside it on a shortlist.