What origin is the name Phlegethon?

Phlegethon comes from Greek naming traditions. Names from this origin often carry meanings tied to nature, virtues or heritage.

What are good sister names for Phlegethon?

Names from the same greek tradition pair naturally with Phlegethon — for example Sophia, Chloe, Sofia. You can browse more on our greek names page.

Phlegethon

Discover the meaning and origin of the name Phlegethon

Phlegethon

Boy

Greek

3 syllables

Phlegethon is a Greek boy's name meaning "River of fire.".

Parents who choose Phlegethon pick a boy name from the Greek tradition, meaning "River of fire.". At 10 letters it is a longer name, which leaves room for a nickname. It has 3 syllables.

Origin: Greek
Gender: Boy
Syllables: 3

Meaning compiled from public name lists.

Last updated 22 October 2026.

Meaning

River of fire.

Popularity

No birth-record data (source: not in US birth records; popularity in India is not tracked)

Quick answers about Phlegethon

What does Phlegethon mean?

Phlegethon is a boy name of Greek origin meaning "River of fire.".

How popular is Phlegethon?

We have no birth-record ranking for Phlegethon: it is not in US records, and India publishes no national name rankings. The meter above fills in as parents here view, search for and save the name.