Choosing a name for your baby boy is one of the most important decisions you’ll make as a parent.
If you’re looking for a unique and meaningful name that starts with “Cos,” you’ve come to the right place.
From classic to modern, there are plenty of great options for boy names that start with “Cos.”
Whether you’re drawn to traditional names or more trendy monikers, there’s something on this list for everyone.
In this article, we’ll explore some of the best boy names that start with “Cos,” including their meanings and origins.
Whether you’re hoping to honor a family member or simply love the sound of a particular name, we’ve got you covered.
So sit back, relax, and get ready to discover the perfect name for your little one.
Popular Boy Names That Start with “COS”
Cosmo – “Order, beauty” (Greek)
Cosimo – “Decency, order” (Spanish)
Cosmas – “Harmony, order” (Greek)
Costa – “Constant, steadfast” (Greek)
Cossimo – “Decency, order” (Spanish)
Cosimo – “Order, beauty” (Spanish)
Cosmin – “Order, beauty” (Spanish)
Cosme – “Order, beauty” (Spanish)
Cosimo – “Order, beauty” (Greek)
Cosimo – “Decency, order” (Spanish)
Coskun – “Brave, courageous” (Spanish)
Cosette – “Victorious people” (Spanish)
Cosimo – “Order, beauty” (Greek)
Cosmas – “Harmony, order” (Greek)
Costas – “Constant, steadfast” (Greek)
Cosmin – “Order, beauty” (Greek)
Cosme – “Order, beauty” (Spanish)
Cosmos – “Order, beauty” (Greek)
Costello – “Little castle” (Greek)
Cosmin – “Order, beauty” (Greek)
Cosimo – “Order, beauty” (Greek)
Costas – “Constant, steadfast” (Greek)
Cosette – “Victorious people” (Spanish)
Cosmas – “Harmony, order” (Greek)
Cosimo – “Order, beauty” (Spanish)
Cosmin – “Order, beauty” (Spanish)
Cosme – “Order, beauty” (Spanish)
Cosmos – “Order, beauty” (Greek)
Costello – “Little castle” (Spanish)
Cosmin – “Order, beauty” (Spanish)
Modern Boy Names That Start with “COS”
Coswell – “Well of beauty” (English)
Cosario – “Determined guardian” (Spanish)
Cosidore – “Gift of order” (Greek)
Coslen – “Victorious lion” (English)
Cosimo – “Harmony and intelligence” (Italian)
Coslen – “Beloved lion” (English)
Cosario – “Bold protector” (Spanish)
Cosidian – “Gift of the gods” (Greek)
Coslin – “Beautiful waterfall” (English)
Cosado – “Adventurous companion” (Spanish)
Coslen – “Courageous lion” (English)
Cosimar – “Famous for beauty” (Spanish)
Cosidore – “Gifted with order” (Greek)
Coslen – “Bright lion” (English)
Cosario – “Strong and wise” (Spanish)
Cosilian – “Dedicated to the gods” (Greek)
Coslen – “Gentle lion” (English)
Cosaro – “Brave conqueror” (Spanish)
Cosidian – “Divinely gifted” (Greek)
Coslen – “Noble lion” (English)
Cosario – “Loyal guardian” (Spanish)
Cosandre – “Man of valor” (Greek)
Coslen – “Majestic lion” (English)
Cosaro – “Courageous ruler” (Spanish)
Cosidian – “Wisdom from the gods” (Greek)
Coslen – “Resolute lion” (English)
Cosario – “Stalwart defender” (Spanish)
Cosander – “Protector of men” (Greek)
Coslen – “Regal lion” (English)
Cosado – “Adventurous spirit” (Spanish)
Unique “COS” Names for Boys
Coslinth – “Mystical journey” (English)
Cosario – “Eternal warrior” (Spanish)
Cosander – “Guardian of the cosmos” (Greek)
Coslenix – “Innovative lion” (English)
Cosarino – “Crowned hero” (Spanish)
Cosidianos – “Divine gift-bearer” (Greek)
Cosrion – “Radiant ruler” (English)
Cosario – “Loyal voyager” (Spanish)
Cosire – “Master of the cosmos” (Greek)
Coslenix – “Visionary lion” (English)
Cosaraldo – “Brave ruler” (Spanish)
Cosidus – “Gift of wisdom” (Greek)
Cosfinn – “Finest cosmic warrior” (English)
Cosario – “Determined defender” (Spanish)
Cosidianos – “Divinely inspired” (Greek)
Cosver – “Versatile guardian” (English)
Cosarion – “Noble leader” (Spanish)
Cosidon – “Wise gift” (Greek)
Coslenox – “Exploring lion” (English)
Cosarado – “Bold adventurer” (Spanish)
Cosidon – “Knowledgeable gift” (Greek)
Coslenex – “Innovative lion” (English)
Cosarido – “Courageous traveler” (Spanish)
Cosidion – “Divinely wise” (Greek)
Cosarius – “Protector of realms” (English)
Cosarojo – “Brave spirit” (Spanish)
Cosidus – “Wise and gifted” (Greek)
Coslenith – “Lion of mystery” (English)
Cosarivo – “Valiant leader” (Spanish)
Cosidonus – “Gifted with wisdom” (Greek)
Timeless Boy Names Starting with “COS”
Coswald – “Royal power” (English)
Cosimo – “Universal order” (Italian)
Cosgrove – “Beloved friend” (English)
Cosandro – “Brave defender” (Spanish)
Cosmas – “Harmony and order” (Greek)
Cosborne – “Bold bear” (English)
Cosimo – “Orderly and disciplined” (Italian)
Cosentino – “Kind and gentle” (Spanish)
Cosidore – “Gift of order” (Greek)
Coswell – “Healthy and strong” (English)
Cosimo – “Harmony and beauty” (Italian)
Cosimo – “Orderly and disciplined” (Italian)
Cosio – “Hill of vision” (Spanish)
Cosander – “Protector of the people” (Greek)
Coslin – “Virtuous lion” (English)
Costas – “Constant and steadfast” (Greek)
Cosgrove – “Beloved companion” (English)
Cosario – “Determined guardian” (Spanish)
Cosidian – “Gift from the gods” (Greek)
Cosby – “Victorious dwelling” (English)
Costello – “Little steadfast one” (Italian)
Cosandro – “Brave and strong” (Spanish)
Cosimir – “Famous for order” (Greek)
Coslin – “Courageous lion” (English)
Costas – “Constant and steadfast” (Greek)
Cosandro – “Brave defender” (Spanish)
Cosme – “Order and beauty” (Spanish)
Cosidian – “Gifted with wisdom” (Greek)
Coswell – “Healthy and strong” (English)
Cosimo – “Harmony and beauty” (Italian)
Exotic and Foreign Boy Names Starting with “COS”
Cosimo – “Order and beauty” (Italian)
Cosmin – “Decency and order” (Romanian)
Coskun – “Firm and strong” (Turkish)
Cosimo – “Harmony and intelligence” (Italian)
Costin – “Constant and steadfast” (Romanian)
Cosmo – “Universe, order” (Greek)
Cosme – “Order and beauty” (Spanish)
Coskun – “Brave and strong” (Turkish)
Cosmin – “Order and beauty” (Romanian)
Cosimo – “Order and beauty” (Italian)
Costas – “Constant and steadfast” (Greek)
Cosme – “Order and beauty” (Spanish)
Cosimo – “Harmony and beauty” (Italian)
Coskun – “Firm and steadfast” (Turkish)
Cosmin – “Decency and order” (Romanian)
Cosme – “Order and beauty” (Spanish)
Cosmo – “Harmony and order” (Greek)
Cosimo – “Intelligent order” (Italian)
Coskun – “Strong and brave” (Turkish)
Cosmin – “Beautiful order” (Romanian)
Costas – “Steadfast and constant” (Greek)
Cosme – “Beauty and order” (Spanish)
Cosimo – “Harmony and beauty” (Italian)
Coskun – “Sturdy and firm” (Turkish)
Cosmin – “Order and beauty” (Romanian)
Cosme – “Harmony and beauty” (Spanish)
Cosimo – “Intelligent order” (Italian)
Coskun – “Brave and strong” (Turkish)
Cosmin – “Beautiful order” (Romanian)
Cosmo – “Universe, order” (Greek)
Gender-Neutral Baby Names That Start With “COS”
Cosley – “Meadow of beauty” (English)
Cosaro – “Adventurous spirit” (Spanish)
Coslin – “Peaceful lion” (English)
Cosima – “Harmony and beauty” (Italian)
Coslo – “Joyful companion” (Spanish)
Coslen – “Balanced lion” (English)
Cosandro – “Brave wanderer” (Spanish)
Cosette – “Little thing of beauty” (French)
Coswin – “Friend of order” (English)
Cosara – “Bold adventurer” (Spanish)
Coslynn – “Serene lake” (English)
Cosimo – “Unified order” (Italian)
Cosario – “Courageous guardian” (Spanish)
Coslin – “Gentle lion” (English)
Cosara – “Loving adventurer” (Spanish)
Coslin – “Kind lion” (English)
Cosima – “Balanced and beautiful” (Italian)
Cosaro – “Companion of the stars” (Spanish)
Coswin – “Peaceful friend” (English)
Cosette – “Little one of beauty” (French)
Cosandro – “Free spirit” (Spanish)
Coslo – “Joyful heart” (Spanish)
Cosima – “Harmony and order” (Greek)
Coslin – “Tranquil lion” (English)
Cosara – “Fearless adventurer” (Spanish)
Cosaro – “Adventurous soul” (Spanish)
Coslyn – “Gentle spirit” (English)
Cosette – “Graceful beauty” (French)
Coswin – “Harmonious friend” (English)
Cosimo – “Balanced beauty” (Italian)
Religious Names for Boys Starting with “COS”
Cosmas – “Order, beauty” (Greek)
Cosimo – “Harmony and intelligence” (Italian)
Cosme – “Order and beauty” (Spanish)
Cosidian – “Gift from the gods” (Greek)
Coswell – “Well of beauty” (English)
Cosario – “Determined guardian” (Spanish)
Cosandre – “Man of virtue” (Greek)
Cosimo – “Orderly and disciplined” (Italian)
Coslenix – “Devoted lion” (English)
Cosarino – “Crowned hero” (Spanish)
Cosidianos – “Divinely inspired” (Greek)
Cosarojo – “Spiritual warrior” (Spanish)
Cosander – “Guardian of faith” (Greek)
Coslinth – “Mystical journey” (English)
Cosido – “Gift of devotion” (Spanish)
Cosimus – “Devout intelligence” (Greek)
Cosgar – “Blessed spear” (English)
Cosimo – “Pious order” (Italian)
Cosal – “Sacred light” (Spanish)
Cosidore – “Gift of righteousness” (Greek)
Coslen – “Holy lion” (English)
Cosario – “Loyal pilgrim” (Spanish)
Cosmito – “Divine wisdom” (Italian)
Cosidian – “Wisdom from the gods” (Greek)
Coslin – “Reverent lion” (English)
Cosaro – “Blessed ruler” (Spanish)
Cosidon – “Wise gift” (Greek)
Cosimo – “Divine beauty” (Italian)
Cosario – “Stalwart servant” (Spanish)
Cosmin – “Holy order” (Romanian)
Famous Male Persons Having Names Starting with “COS”
Cosimo de’ Medici
Influential Italian banker and patron of arts.
Costa Gavras
Greek-French film director known for political thrillers.
Cosmo Gordon Lang
Archbishop of Canterbury during a critical period.
Cosmic Slop
Pseudonym for George Clinton, iconic funk musician.
Cosmas Indicopleustes
Byzantine Christian monk, explorer, and geographer.
Cosby Show
Famous American sitcom starring Bill Cosby.
Cosby, Bill
Comedian, actor, and television producer; influential cultural figure.
Cos D’Estournel
Pseudonym for Michel Reybier, Bordeaux wine producer.
Cosey Fanni Tutti
English performance artist and musician.
Cosmonaut Yuri Gagarin
First human in space, Soviet space pioneer.
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