Girl Name
Flo
Flo is a girl's name whose meaning is not firmly attested in the historical record. It is used as a girl's name across several naming traditions, and it is rare in the United States today — outside the SSA top 1,000.
Flo is a girl baby name. It currently sits in the Rare tier of US baby names for 2026, and parents who love Flo often also consider Floy.
Flo meaning, origin, and usage
Meaning: Flo has a distinctive sound and evolving modern usage.
Origin: Multiple naming traditions are associated with this name.
Pronunciation: Baby Name Studio pronounces Flo as F·L·O, with 3 letters and a girl usage profile.
Popularity: According to Baby Name Studio's 2026 tracker, Flo is an uncommon, standout choice in the Rare tier.
Flo variants, nicknames, middle names, and sibling names
- Variants and spelling ideas: Floa, Floe, Floy.
- Nicknames: Flo works as its own nickname.
- Middle names: Pair Flo with a middle name that balances its short sound; start with the Flo middle name generator.
- Sibling names: Floy, Flor, Flint, Flynn, Florie — full picks on the sibling names for Flo guide for a cohesive sibset.
- Similar names: Looking for names that sound like Flo? Browse our names like Flo guide for phonetic-neighbor picks.
- Explore more: use the Baby Name Explorer, name search, AI name generator, and Baby Name Studio homepage.
Frequently asked about Flo
What does the name Flo mean?
Flo has no single meaning that is firmly attested in the historical record. It is used as a girl name in US birth records, and parents usually choose it for its sound rather than a documented meaning.
What is the origin of Flo?
The exact origin of Flo is debated, but it has been used across multiple naming traditions.
How do you pronounce Flo?
Flo has 3 letters and is most commonly stressed on the first syllable.
Is Flo a boy's or girl's name?
Flo is primarily used as a girl's name in US records.
How popular is Flo in 2026?
In our 2026 popularity tracker, Flo sits in the Rare tier — an uncommon, standout choice.
What names are similar to Flo?
Names that share Flo's sound and style include Floy, Flor, Flint, Flynn, Florie.
What middle names pair well with Flo?
Good middle-name fits for Flo pair an opposite syllable rhythm: if Flo is short, lean longer (e.g. classical or three-syllable middles); if Flo is longer, a one-syllable middle keeps the full name from feeling heavy.
What are good sibling names for Flo?
Sibling names that pair naturally with Flo share its rhythm without rhyming — Floy, Flor, Flint all sit comfortably alongside it on a shortlist.