Girl Name
Indigo
Indigo 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.
Considering Indigo? It is a girl name, and ranks in our Rare popularity tier. Phonetically it shares territory with Indira.
Indigo meaning, origin, and usage
Meaning: Indigo has a distinctive sound and evolving modern usage.
Origin: Multiple naming traditions are associated with this name.
Pronunciation: Baby Name Studio pronounces Indigo as I·N·D·I·G·O, with 6 letters and a girl usage profile.
Popularity: According to Baby Name Studio's 2026 tracker, Indigo is an uncommon, standout choice in the Rare tier.
Indigo variants, nicknames, middle names, and sibling names
- Variants and spelling ideas: Indigoa, Indigoe, Indigoy, Indig.
- Nicknames: Ind and I.
- Middle names: Pair Indigo with a middle name that balances its substantial sound; start with the Indigo middle name generator.
- Sibling names: Indira, India, Indie, Indy, Ingrid — full picks on the sibling names for Indigo guide for a cohesive sibset.
- Similar names: Looking for names that sound like Indigo? Browse our names like Indigo 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 Indigo
What does the name Indigo mean?
Indigo 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 Indigo?
The exact origin of Indigo is debated, but it has been used across multiple naming traditions.
How do you pronounce Indigo?
Indigo has 6 letters and is most commonly stressed on the first syllable.
Is Indigo a boy's or girl's name?
Indigo is primarily used as a girl's name in US records.
How popular is Indigo in 2026?
In our 2026 popularity tracker, Indigo sits in the Rare tier — an uncommon, standout choice.
What names are similar to Indigo?
Names that share Indigo's sound and style include Indira, India, Indie, Indy, Ingrid.
What middle names pair well with Indigo?
Good middle-name fits for Indigo pair an opposite syllable rhythm: if Indigo is short, lean longer (e.g. classical or three-syllable middles); if Indigo is longer, a one-syllable middle keeps the full name from feeling heavy.
What are good sibling names for Indigo?
Sibling names that pair naturally with Indigo share its rhythm without rhyming — Indira, India, Indie all sit comfortably alongside it on a shortlist.