Boy Name · Japanese Origin
Masaru
Masaru is a boy's name whose meaning is not firmly attested in the historical record. It is a boy's name of Japanese origin, 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.
Masaru is a boy baby name of Japanese origin. It currently sits in the Rare tier of US baby names for 2026, and parents who love Masaru often also consider Makari.
Masaru meaning, origin, and usage
Meaning: Masaru has a distinctive sound and evolving modern usage.
Origin: Japanese naming roots help connect Masaru to related Japanese baby names.
Pronunciation: Baby Name Studio pronounces Masaru as M·A·S·A·R·U, with 6 letters and a boy usage profile.
Popularity: According to Baby Name Studio's 2026 tracker, Masaru is an uncommon, standout choice in the Rare tier.
Masaru variants, nicknames, middle names, and sibling names
- Variants and spelling ideas: Masarua, Masarue, Masaruy, Masar.
- Nicknames: Mas and M.
- Middle names: Pair Masaru with a middle name that balances its substantial sound; start with the Masaru middle name generator.
- Sibling names: Makari, Macario, Major, Majorie, Missouri — full picks on the sibling names for Masaru guide for a cohesive sibset.
- Similar names: Looking for names that sound like Masaru? Browse our names like Masaru 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 Masaru
What does the name Masaru mean?
Masaru 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 Masaru?
Masaru originates in Japanese naming tradition.
How do you pronounce Masaru?
Masaru has 6 letters and is most commonly stressed on the first syllable.
Is Masaru a boy's or girl's name?
Masaru is primarily used as a boy's name in US records.
How popular is Masaru in 2026?
In our 2026 popularity tracker, Masaru sits in the Rare tier — an uncommon, standout choice.
What names are similar to Masaru?
Names that share Masaru's sound and style include Makari, Macario, Major, Majorie, Missouri.
What middle names pair well with Masaru?
Good middle-name fits for Masaru pair an opposite syllable rhythm: if Masaru is short, lean longer (e.g. classical or three-syllable middles); if Masaru is longer, a one-syllable middle keeps the full name from feeling heavy.
What are good sibling names for Masaru?
Sibling names that pair naturally with Masaru share its rhythm without rhyming — Makari, Macario, Major all sit comfortably alongside it on a shortlist.