Ondreaz appears to be a modern variant of Andrew or Ondrej, from Greek, meaning manly or brave.
Ondreaz appears to be a modern variant of Andrew or Ondrej, from Greek roots meaning manly or brave. That gives it a clear connection to one of the oldest naming families in the West, even though the spelling has been reshaped into a fresher and more individual form.
The name retains the older sense of courage and masculinity while feeling tailored to contemporary taste. As a given name, Ondreaz has a modern, energetic sound. It feels a little more adventurous than Andrew, and the ending gives it a sharper visual identity.
Rare variants like this often appeal because they preserve the strength of the original while updating the presentation. Ondreaz suggests bravery, confidence, and a name that is both rooted and newly minted.