75 Best Boy Names Ending in O: A Look at the Current Trend and Some Primo Options

There’s a certain charm to boy names that end in O. They sound grounded, stylish, and energetic. In recent years, this trend has become increasingly popular, and many expectant parents are looking for unique and stylish names for their baby boys that end in the letter O. But with so many options out there, it can be difficult to decide on the perfect name for your little one.

In this post, we will be exploring the current trend of boy names ending in O and sharing 75 of the best options for your consideration. Whether you’re looking for a classic name that has stood the test of time or something more modern and unique, this list has got you covered. So, let’s dive in and explore the world of boy names ending in O.

Most Popular Boy Names Ending in O

• Mateo – A name of Spanish and Hebrew origin, meaning “gift of God”
• Leo – A name of Latin origin, meaning “lion”
• Santiago – A name of Latin origin, meaning “Saint James”

More Super Popular Names Ending in O for Boys

• Leonardo – A Latinate name, meaning “brave lion”
• Diego – A name of Spanish origin, a form of the Hebrew name James, meaning “supplanter”
• Milo – A name of Latin and Germanic origin, meaning “soldier” or “merciful”

These Names Ending in O Are Ubiquitous Today

• Lorenzo – An Italian name from Latin, meaning “from Laurentium”
• Enzo – An Italian form of Henry, also a nickname for Lorenzo or Vincenzo, meaning “estate ruler”
• Thiago – A diminutive form of Santiago, meaning “Saint James”

Even More Beloved Boy Names Ending in O

• Theo – A diminutive form of Theodore, meaning “gift of God”
• Emiliano – A name of Italian and Latin origin, meaning “rival”
• Antonio – A name of Italian and Spanish origin, from Latin, meaning “from Antium”

Final Batch of Extremely Popular Names in the US

• Arlo – A unisex name of Irish and English origin, meaning “from the valley”
• Alejandro – A Spanish form of Alexander, meaning “defending men”
• Emilio – A Latinate name, meaning “rival”

Classic Boy Names Ending in O That Feel Fresh

• Alessandro – An Italian form of Alexander, meaning “defending men”
• Alonso – A Portuguese and Spanish name, meaning “noble and ready”
• Carmelo – A Spanish name from Hebrew, meaning “farmed land”

More Classic Names Ending in O for Boys

• Francesco – An Italian name, meaning “Frenchman” or “free man”
• Georgio – A Latinate form of George, meaning “farmer”
• Ignacio – A name of Spanish origin, meaning “firey”

Time-Tested Boy Names Ending in O

• Marco – A Spanish and Italian form of Mark, meaning “warlike”
• Renato – A name of Italian origin, meaning “reborn”
• Sergio – An Italian and Spanish form of Sergius, meaning “guardian”

You Can’t Go Wrong with These Cherished Classics

• Tadeo – A Spanish form of Thaddeus, from Aramic, with an unclear meaning
• Teo – A Spanish short form of Teodoro, meaning “gift of God”
• Vincenzo – An Italian form of Vincent, meaning “conquering”

Fun Boy Names Ending in O

• Bo – A name of Norse origin, meaning “to live”
• Bruno – A name of German origin, meaning “brown”
• Cosmo – A name of Greek origin, meaning “order” and “universe”

Friendly Boy Names Ending in O

• Eero – A Finnish form of Eric, meaning “eternal ruler”
• Gio – A name of Italian origin, the equivalent to John, meaning “God’s gracious gift”
• Hugo – A Latinate form of Hugh, meaning “intellect”

Zippy Boy Names That End in O

• Jago – A Spanish and Cornish form of Jacob, meaning “supplanter”
• Kitto – A Cornish form of Christopher, meaning “bearer of Christ”
• Ludo – A name of German origin, meaning “famed”

Amicable Boy Names Ending in O

• Mikko – A unisex Finnish form of Michael, meaning “who is like God?”
• Milo – A Latinate form of Miles, meaning “merciful” or “soldier”
• Mungo – A name of Scottish origin, meaning “my pet”

Cheerful Options That End in O

• Niko – A Finnish variation of Nicholas, from Greek, meaning “victory of the people”
• Otto – A name of German origin, meaning “wealthy”
• Rocco – An Italian name, from German, meaning “rest”

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Brilliant Names Ending in O

• Sholto – A name of Scottish Gaelic origin, meaning “sower”
• Vito – A name of Latin origin, meaning “life”
• Zuko – A name of Xhosa (Zulu) origin, meaning “glory”

Over-the-Top Boy Names Ending in O

• Aurelio – A name of Italian and Latin origin, meaning “golden one”
• Benicio – A name of Spanish origin, meaning “blessed”
• Cicero – A name of Latin origin, meaning “chickpea”

Boy Names Ending in O with Attitude

• Costello – A name of Irish origin, meaning “from England”
• Cristiano – A Latinate form of Christian, meaning “bearer of Christ”
• Draco – A name of Greek and Latin origin, meaning “dragon”

Grandiose Boy Names Ending in O

• Florentino – A name of Italian origin, meaning “from Florence”
• Galileo – A name of Italian origin, meaning “from Galilee”
• Horacio – A name of Latin origin, meaning “timekeeper”

Big and Bold Names Ending in O

• Indalecio – A Spanish name from Greek, meaning “teacher”
• Luciano – An Italian form of Lucian, meaning “light”
• Malvolio – A literary name coined by Shakespeare, meaning “ill will”

These Names Really Make a Statement

• Maximiliano – An Italian and Spanish form of Maximilian, meaning “greatest”
• Netuno – A Brazilian Portuguese form of Neptune, from Roman mythology
• Valentino – A name of Latin origin, meaning “strength”

Effortlessly Cool Boy Names Ending in O

• Caio – A variant of the Latin name Caius, meaning “rejoice”
• Elio – An Italian and Spanish name, meaning “sun”
• Gino – An Italian diminutive form of Eugenio, meaning “noble”

Bright and Breezy Boy Names Ending in O

• Hiro – A name of Japanese origin, meaning “widespread”
• Kylo – A variant of Kyle, from Scottish, meaning “narrow piece of land”
• Leandro – A Latinate form of Leaner, meaning “lion man”

Stylish Boy Names Ending on O

• Santino – A name of Italian origin, meaning “little saint”
• Timeo – An Italian name from Greek, meaning “honor”
• Viggo – A name of Scandinavian origin, meaning “war”

Place Names Ending in O

• Cairo – A name from Arabic belonging to a city in Egypt, meaning “strong”
• Loreto – An Italian place name of a pilgrimage site
• Monaco – A micro state in the French Riviera

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More Names of Places That End in O

• Palermo – A name belonging to a Sicilian city
• Reno – A name belonging to a city in Nevada
• Rio – A Spanish place name that means “river”

We hope that this list of 75 best boy names ending in O has provided you with plenty of inspiration as you search for the perfect name for your little one. These names combine a sense of tradition with a modern flair, making them perfect for parents looking for something stylish and unique.

Whether you end up choosing a classic name like Leo or something more unusual like Arlo, we’re sure that your little boy’s name will be a reflection of his individuality and personality. Congratulations on your baby on the way, and may the search for his perfect name be filled with joy and excitement!