Boy Name · English Origin
Arlo
Arlo is a boy baby name of English origin, meaning "Fortified hill". It currently sits in the Rare tier of US baby names for 2026, and parents who love Arlo often also consider Arla.
Arlo meaning, origin, and usage
Meaning: Fortified hill
Origin: English naming roots help connect Arlo to related English baby names.
Pronunciation: Baby Name Studio pronounces Arlo as A·R·L·O, with 4 letters and a boy usage profile.
Popularity: According to Baby Name Studio's 2026 tracker, Arlo is an uncommon, standout choice in the Rare tier.
Arlo variants, nicknames, middle names, and sibling names
- Variants and spelling ideas: Arloa, Arloe, Arloy.
- Nicknames: Arlo works as its own nickname.
- Middle names: Pair Arlo with a middle name that balances its short sound; start with the Arlo middle name generator.
- Sibling names: Arla, Arlie, Arley, Ariel, Arely — full picks on the sibling names for Arlo guide for a cohesive sibset.
- Similar names: Looking for names that sound like Arlo? Browse our names like Arlo 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 Arlo
What does the name Arlo mean?
Arlo means "Fortified hill" and is of English origin.
What is the origin of Arlo?
Arlo originates in English naming tradition.
How do you pronounce Arlo?
Arlo has 4 letters and is most commonly stressed on the first syllable.
Is Arlo a boy's or girl's name?
Arlo is primarily used as a boy's name in US records.
How popular is Arlo in 2026?
In our 2026 popularity tracker, Arlo sits in the Rare tier — an uncommon, standout choice.
What names are similar to Arlo?
Names that share Arlo's sound and style include Arla, Arlie, Arley, Ariel, Arely.
What middle names pair well with Arlo?
Good middle-name fits for Arlo pair an opposite syllable rhythm: if Arlo is short, lean longer (e.g. classical or three-syllable middles); if Arlo is longer, a one-syllable middle keeps the full name from feeling heavy.
What are good sibling names for Arlo?
Sibling names that pair naturally with Arlo share its rhythm without rhyming — Arla, Arlie, Arley all sit comfortably alongside it on a shortlist.