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Home › Baby Names Directory › Fenrir

Fenrir

♂ Boy

Pronounced FEN-reer /ˈfɛn.rir/Medium

Meaning: From Old Norse Fenrir — a great monstrous wolf of Norse mythology, possibly 'fen-dweller, marsh-dweller'; a mythological nameLow

In 30 seconds: A great wolf of myth: Fenrir is the monstrous Norse wolf — bold and fierce. Striking and strong (said 'FEN-reer').
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Origin LowNorse
MeaningFrom Old Norse Fenrir — a great monstrous wolf of Norse mythology, possibly 'fen-dweller, marsh-dweller'; a mythological name
U.S. rank (2025)#7335 ↘ Falling
2025 U.S. births11 boys (0.00% of U.S. boys)
Peak year2023
Total births (all-time)≈ 114

Popularity in the U.S. · SSA data

peak 202320162025

U.S. births per year (Social Security Administration, 1880–present). Pink marker = peak year.

SSA data updated May 2026. How we source & verify this data.

History & Origin

Fenrir comes from Norse mythology — Fenrir (or Fenrisúlfr), the great monstrous wolf, a child of Loki, bound by the gods and fated to break loose and devour Odin at Ragnarök, the doom of the gods. His name is possibly 'fen-dweller, marsh-dweller' (the origin is debated, which we note). A bold, fierce, striking mythic name (said 'FEN-reer'; nickname Fen).

It registers thinly in records. Rare, a-great-wolf at the root, and fierce.

Did you know? Fenrir is the great monstrous wolf of Norse mythology — a son of Loki, fated to break free at Ragnarök — his name possibly meaning 'fen-dweller, marsh-dweller' — a bold, fierce mythic name (the origin is debated, which we note; said 'FEN-reer').
Overall data confidence 55%
References — Fenrir — mythic; origin debated

Variations

FenrisFenrisulfr

Nicknames

Fen

Famous Bearers

  • Famous bearers coming soon.

If you like Fenrir…

Loki— his father in the myths
Odin— a companion Norse mythic name
Tyr— another Norse mythic boys' name
Ronnie— another Norse name
Eider— a similarly popular pick

Explore names like Fenrir

By themeuncertainnorsemythological

All themes →All meanings →All origins →

Frequently Asked

What does the name Fenrir mean?

Fenrir is the great monstrous wolf of Norse myth, possibly 'fen-dweller'; the origin is debated, which we note.

How do you pronounce Fenrir?

It's said FEN-reer /ˈfɛn.rir/ — two syllables, stress on the first.

Is Fenrir a boy or girl name?

Fenrir is a boy's name.

How popular is Fenrir?

Fenrir is a very rare name in the U.S.

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