Casto
Pronunciation: [ k-AST-oh ]
Does Casto flow with your last name?
A distinctive boy name with a rare, memorable quality.
Reviewed by the NamingEverything Editorial Team · Updated
Similar Names
Names Like Casto
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Nicknames
Nicknames for Casto
4 shorthand options for every setting
Meaning & Origin
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Browse nicknames →Historical Record
Casto first appeared in US Social Security records in 1978.
Over 5 babies have been named Casto in the United States since SSA records began.
Today, Casto is a hidden gem — rare but distinctive , currently ranked #34,032 for boy names in the US .
Popularity Over Time
Year-by-year popularity data will be available soon.
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See all →"defender of men; little saint"
"exalted, noble, high"
"free man"
"from Laurentum; crowned with laurel"
"nickname name (Thai given name)"
Compare Casto with:
Quick Facts
- Gender
- Boy
- Popularity Rank
- #34,032
- Total SSA Count
- 5
Alternative Spellings
Nicknames
Middle Name Ideas
Suggested pairings based on syllable flow and style
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Timeless choice, extended 2-3 combo
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Timeless choice, smooth 2-2 syllable flow
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Timeless choice, smooth 2-1 syllable flow
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Timeless choice, smooth 2-2 syllable flow
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Timeless choice, smooth 2-2 syllable flow
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Timeless choice, extended 2-3 combo
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Timeless choice, smooth 2-2 syllable flow
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Timeless choice, extended 2-3 combo
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Timeless choice, extended 2-3 combo
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Timeless choice, smooth 2-2 syllable flow
Sibling Match
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View all →Spanish/Italian origin
"defender of men; little saint"
#34,121 in US
Arabic alaa origin
"exalted, noble, high"
#34,191 in US
Germanic origin
"free man"
#34,020 in US
Latin origin
"from Laurentum; crowned with laurel"
#34,084 in US
Thai origin
"nickname name (Thai given name)"
#34,106 in US
Dutch/German origin
"thatcher, roofer"
#33,918 in US
Nordic origin
"eagle warrior"
#33,992 in US
Sanskrit origin
"Wise, skillful, knowing; one who is l..."
#33,883 in US
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Frequently Asked Questions About Casto
Is Casto a boy or girl name?
How do you pronounce Casto?
How popular is the name Casto?
What are common nicknames for Casto?
Is Casto a common or rare name?
What boy names are similar to Casto?
Browse all middle names, sibling names, or similar names.
About the Name Casto
Casto is a boy name .
Casto is currently ranked #34,032 in popularity for boy names in the United States.
Common nicknames for Casto include Cas, Cay, Caie, and Caskins. These shorter forms provide casual alternatives while keeping the elegance of the full name.
Alternative spellings of Casto include Castiel, Castle . Each spelling variation gives the name a slightly different character while preserving its sound and meaning.
Keep Exploring
Recommended for Parents
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Baby Name Wizard
Names that actually age well
Nursery name sign
Personalized wooden letters
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Sources
- U.S. Social Security Administration — National Baby Names Data (popularity rankings and historical trends)
- NamingEverything editorial research and analysis