Boy Name
Nikolaos
Nikolaos means “I conquer”. 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.
Nikolaos is a boy baby name, meaning "I conquer". It currently sits in the Rare tier of US baby names for 2026, and parents who love Nikolaos often also consider Nikolaus.
Nikolaos meaning, origin, and usage
Meaning: I conquer
Origin: Multiple naming traditions are associated with this name.
Pronunciation: Baby Name Studio pronounces Nikolaos as N·I·K·O·L·A·O·S, with 8 letters and a boy usage profile.
Popularity: According to Baby Name Studio's 2026 tracker, Nikolaos is an uncommon, standout choice in the Rare tier.
Nikolaos variants, nicknames, middle names, and sibling names
- Variants and spelling ideas: Nikolaosa, Nikolaose, Nikolaosy, Nikolao.
- Nicknames: Niko and N.
- Middle names: Pair Nikolaos with a middle name that balances its substantial sound; start with the Nikolaos middle name generator.
- Sibling names: Nikolaus, Nicolaus, Nicolasa, Nicholaus, Nickolaus — full picks on the sibling names for Nikolaos guide for a cohesive sibset.
- Similar names: Looking for names that sound like Nikolaos? Browse our names like Nikolaos 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 Nikolaos
What does the name Nikolaos mean?
Nikolaos means "I conquer". The meaning is recorded in English Wiktionary (CC BY-SA 4.0), and in US records Nikolaos is used as a boy name.
What is the origin of Nikolaos?
The exact origin of Nikolaos is debated, but it has been used across multiple naming traditions.
How do you pronounce Nikolaos?
Nikolaos has 8 letters and is most commonly stressed on the first syllable.
Is Nikolaos a boy's or girl's name?
Nikolaos is primarily used as a boy's name in US records.
How popular is Nikolaos in 2026?
In our 2026 popularity tracker, Nikolaos sits in the Rare tier — an uncommon, standout choice.
What names are similar to Nikolaos?
Names that share Nikolaos's sound and style include Nikolaus, Nicolaus, Nicolasa, Nicholaus, Nickolaus.
What middle names pair well with Nikolaos?
Good middle-name fits for Nikolaos pair an opposite syllable rhythm: if Nikolaos is short, lean longer (e.g. classical or three-syllable middles); if Nikolaos is longer, a one-syllable middle keeps the full name from feeling heavy.
What are good sibling names for Nikolaos?
Sibling names that pair naturally with Nikolaos share its rhythm without rhyming — Nikolaus, Nicolaus, Nicolasa all sit comfortably alongside it on a shortlist.