Boy Name · Greek Origin
Atreus
Last reviewed: June 2026
Atreus is a boy baby name of Greek origin, meaning "Fearless". It currently sits in the Rare tier of US baby names for 2026, and parents who love Atreus often also consider Atticus.
Names like Atreus
Frequently asked about Atreus
What does the name Atreus mean?
Atreus means "Fearless" and is of Greek origin.
What is the origin of Atreus?
Atreus originates in Greek naming tradition.
How do you pronounce Atreus?
Atreus has 6 letters and is most commonly stressed on the first syllable.
Is Atreus a boy's or girl's name?
Atreus is primarily used as a boy's name in US records.
How popular is Atreus in 2026?
In our 2026 popularity tracker, Atreus sits in the Rare tier — an uncommon, standout choice.
What names are similar to Atreus?
Names that share Atreus's sound and style include Atticus, Alpheus, Artemus, Adrian, Athena.