Boy Name · Japanese Origin
Masao
Masao 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.
Masao — a boy name from the Japanese tradition — is an uncommon, standout choice. If Maceo is on your shortlist, Masao belongs in the same conversation.
Masao meaning, origin, and usage
Meaning: Masao has a distinctive sound and evolving modern usage.
Origin: Japanese naming roots help connect Masao to related Japanese baby names.
Pronunciation: Baby Name Studio pronounces Masao as M·A·S·A·O, with 5 letters and a boy usage profile.
Popularity: According to Baby Name Studio's 2026 tracker, Masao is an uncommon, standout choice in the Rare tier.
Masao variants, nicknames, middle names, and sibling names
- Variants and spelling ideas: Masaoa, Masaoe, Masaoy, Masa.
- Nicknames: Mas and M.
- Middle names: Pair Masao with a middle name that balances its substantial sound; start with the Masao middle name generator.
- Sibling names: Maceo, Macey, Mackie, Mace, Mackey — full picks on the sibling names for Masao guide for a cohesive sibset.
- Similar names: Looking for names that sound like Masao? Browse our names like Masao 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 Masao
What does the name Masao mean?
Masao 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 Masao?
Masao originates in Japanese naming tradition.
How do you pronounce Masao?
Masao has 5 letters and is most commonly stressed on the first syllable.
Is Masao a boy's or girl's name?
Masao is primarily used as a boy's name in US records.
How popular is Masao in 2026?
In our 2026 popularity tracker, Masao sits in the Rare tier — an uncommon, standout choice.
What names are similar to Masao?
Names that share Masao's sound and style include Maceo, Macey, Mackie, Mace, Mackey.
What middle names pair well with Masao?
Good middle-name fits for Masao pair an opposite syllable rhythm: if Masao is short, lean longer (e.g. classical or three-syllable middles); if Masao is longer, a one-syllable middle keeps the full name from feeling heavy.
What are good sibling names for Masao?
Sibling names that pair naturally with Masao share its rhythm without rhyming — Maceo, Macey, Mackie all sit comfortably alongside it on a shortlist.