Girl Name · Germanic Origin
Lou
Last reviewed: June 2026
Lou is a girl baby name of Germanic origin, meaning "Famous warrior". It currently sits in the Top 1000 tier of US baby names for 2026, and parents who love Lou often also consider Loy.
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Frequently asked about Lou
What does the name Lou mean?
Lou means "Famous warrior" and is of Germanic origin.
What is the origin of Lou?
Lou originates in Germanic naming tradition. Names of Germanic origin often share recognizable sounds and cultural roots that shape how the name reads today.
How do you pronounce Lou?
Lou has 3 letters and is most commonly stressed on the first syllable. Tap the pronunciation player on this page to hear it spoken aloud.
Is Lou a boy's or girl's name?
Lou is primarily used as a girl's name in US records, though usage can vary by region and era.
How popular is Lou in 2026?
In our 2026 popularity tracker, Lou sits in the Top 1000 tier — distinctive but not obscure.
What names are similar to Lou?
Names that share Lou's sound and style include Loy, Lue, Louie, Loye, Lee. Open the "Names like Lou" rail on this page for the full list.