Here you’ll find 36 Mexican boy names that start with O that begin with O, organized from “Obdulio” to “Óscar”. They mix Spanish, Catholic, and indigenous Nahuatl influences and serve well for baby naming, storytelling, or family research.
Mexican boy names that start with O are male given names used in Mexico that begin with the letter O. Many come from Spanish saints, Spanish vocabulary, or indigenous languages like Nahuatl, showing Mexico’s blended heritage.
Below you’ll find the table with Name, Pronunciation, Meaning, and Origin.
Name: The given name as commonly registered and used in Mexico, so you can spot familiar or unique options.
Pronunciation: A simple phonetic guide helps you say the name confidently, useful for introductions or announcements.
Meaning: A brief definition or origin explanation helps you understand cultural significance and emotional resonance for the child’s name.
Origin: Notes whether the name comes from Spanish, Nahuatl, biblical, or other roots so you know cultural background.
Mexican boy names that start with O
| Name | Pronunciation | Meaning | Origin/Language |
|---|---|---|---|
| Óscar | oh-SKAR | deer-lover; spear of God (Old Irish) | Irish |
| Omar | oh-MAR | flourishing; long-lived | Arabic |
| Octavio | ok-TAH-vyo | eighth | Latin |
| Octaviano | ok-tah-VYA-no | related to “eighth” | Latin |
| Olegario | oh-leh-GAH-rio | holy; blessed (Germanic root) | Germanic |
| Olin | OH-lin | movement; earthquake | Nahuatl |
| Ollin | OH-yin | movement; motion | Nahuatl |
| Onésimo | oh-NEH-see-mo | useful, profitable | Greek |
| Onofre | oh-NO-freh | from Egyptian Unnefer “perfect” | Greek/Egyptian |
| Otoniel | oh-toh-NYEL | God is my strength | Hebrew |
| Odón | oh-DON | wealth; fortune | Germanic |
| Odilón | oh-dee-LON | wealthy; fortunate | Germanic |
| Odilio | oh-dee-LEE-oh | wealth; fortunate | Germanic |
| Odín | oh-DEEN | chief Norse god; wisdom and war | Norse |
| Ovidio | oh-VEE-dyo | sheep; related to sheep | Latin |
| Orlando | or-LAN-do | famous land; renowned | Germanic |
| Óliver | OH-LEE-ver | olive tree | Latin |
| Oswaldo | os-WAL-do | God’s power; divine ruler | Germanic |
| Osvaldo | os-VAL-do | God’s power; divine ruler | Germanic |
| Osmar | os-MAR | famous spear; god-fame | Germanic |
| Osiris | oh-SEE-rees | Egyptian god of afterlife | Egyptian |
| Oseas | oh-SEH-as | salvation; saved by God | Hebrew |
| Oziel | oh-ZEE-el | God is my strength | Hebrew |
| Ozías | oh-SEE-as | Yahweh is my strength | Hebrew |
| Obed | oh-BED | servant; worshipper | Hebrew |
| Obdulio | ob-DOO-lee-o | related to obedience; servant | Spanish |
| Ofelio | oh-FEH-lio | help; aid | Greek |
| Olimpio | oh-LIM-pyo | of Mount Olympus; heavenly | Greek |
| Othón | oh-THON | wealth; fortune (Germanic root) | Germanic |
| Oriel | oh-REE-el | light of God | Hebrew/Latin |
| Olmo | OL-mo | elm tree | Spanish/Latin |
| Olindo | oh-LEEN-do | literary name; rare usage | Italian/Spanish |
| Orestes | oh-RES-tes | from the mountains | Greek |
| Ocelotl | oh-seh-LOTL | jaguar | Nahuatl |
| Opochtli | oh-POCH-tlee | mythic figure; left-hand (Nahuatl god) | Nahuatl |
| Ometochtli | oh-meh-TOCH-tlee | two-rabbit (pulque deity) | Nahuatl |
Descriptions
Óscar
Very common in Mexico; popular through Spanish usage and media. Frequently appears in civil registries; traditional and modern associations. Variants: Óscar with accent.
Omar
Widespread in Mexico due to Arabic and biblical influence; common across generations and regions. Appears regularly in civil registries and baby-name lists.
Octavio
Classic Roman-derived name used widely in Mexico. Traditional and formal; often shortened to Octa or Tavio by family.
Octaviano
Longer, more formal variant of Octavio; rarer but attested in civil registries and historical records in Mexico.
Olegario
Old-fashioned Spanish name of Germanic origin. Seen in older generations and some regional registries; rare but traditional.
Olin
Short Nahuatl name increasingly used in urban and indigenous communities. Simple, modern-sounding; appears in Mexican indigenous-language records.
Ollin
Classical Nahuatl term used as a given name in Mexico; cultural and political symbolism (movement, change). Used in both indigenous and mestizo contexts.
Onésimo
Biblical name (Onesimus) found in older Mexican baptismal and registry records. Traditional and uncommon today; sometimes used in religious families.
Onofre
Traditional saint’s name (Saint Onuphrius) historically used in Mexico; more common in older generations and rural areas.
Otoniel
Spanish form of the biblical Othniel; has seen steady use in Mexico, especially in evangelical communities and civil registries.
Odón
Short, traditional name of Germanic origin. Attested historically in Mexico; rare but recognizable.
Odilón
Variant of Odilio/Odo family of names. Used historically and sometimes found in regional registries; classic, uncommon today.
Odilio
Traditional Spanish name appearing in Mexican records; sometimes used in rural areas or older generations.
Odín
Imported mythological name occasionally used in Mexico. Modern and uncommon, seen among parents seeking strong mythic names.
Ovidio
Classic name (Roman poet Ovidius) used in Mexico; traditional and literary, appears in civil registries at low frequency.
Orlando
Popular and familiar in Mexico; used across generations, partly via literature and film. Often shortened to Orlan or Lando informally.
Óliver
Increasingly popular modern name in Mexico, influenced by international use. Friendly, contemporary feel; sometimes spelled Oliver or Óliver.
Oswaldo
Common in Mexico, especially mid-20th century namesakes. Appears often in civil registries; variant of Osvaldo.
Osvaldo
Well-established Spanish form used regularly in Mexico. Traditional and familiar.
Osmar
Used in Mexico with moderate frequency; modern-sounding but with older Germanic roots. Popular in some regions.
Osiris
Egyptian myth name adopted by some Mexican families; modern, uncommon, often chosen for its mythic resonance.
Oseas
Spanish form of Hosea; biblical and rare in contemporary Mexico but appears in religious contexts and older registries.
Oziel
Popular in many Mexican communities; Hebrew origin but well integrated. Frequently found in civil registries and modern baby-name lists.
Ozías
Biblical name (Uzziah variant) occasionally used in Mexico; traditional and somewhat rare but attested in registries.
Obed
Biblical name used in Mexico, especially in religious families. Short, traditional, appears in church and civil records.
Obdulio
Traditional Spanish name with historical use in Mexico; rare today but present in older registries and rural areas.
Ofelio
Spanish form of a Greek name (Ophelos). Uncommon but attested in Mexican records; gives a classical literary tone.
Olimpio
Rare classical name used occasionally in Mexico; evokes Greek mythology and formal, historical style.
Othón
Spanish form Othón is attested in Mexico (notably historical figures). Distinctive and traditional, uncommon today.
Oriel
Used in Mexico; short, melodic, appears in civil registries. Friendly and slightly literary in tone.
Olmo
Rare botanical name used occasionally as a given name in Mexico; simple and nature-inspired.
Olindo
Less common poetic name seen sporadically in Mexican records; literary or regional flavor.
Orestes
Classical Greek name used historically in Mexico; appears in literature and older registries. Formal and timeless.
Ocelotl
Direct Nahuatl word/name meaning “jaguar.” Used in indigenous communities and by families valuing Nahuatl heritage; attested in indigenous-language sources.
Opochtli
Name of a Nahuatl deity; occasionally used symbolically or in cultural contexts in Mexico. Found in indigenous-language and scholarly sources.
Ometochtli
Name from Nahuatl mythology (Two Rabbit, pulque god); rare as a personal name but attested in indigenous and academic sources.