Brother in Spanish: Hermano, Slang, Grammar & Tips (2026)

TL;DR

“Brother” in Spanish is hermano, pronounced “air-MAH-noh.” The feminine form is hermana (sister), and the plural hermanos can mean either “brothers” or “siblings.” Slang varies by country: Mexicans say carnal or mano, Spaniards use tío, and Colombians prefer parcero. This guide covers pronunciation, grammar, every type of brother, regional slang, and related family vocabulary.

Quick Answer: “Brother” in Spanish is hermano (pronounced air-MAH-noh, IPA: /eɾˈmano/). The H is silent. Feminine: hermana. Plural: hermanos (brothers or siblings).

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How to Pronounce Hermano

The word hermano has three syllables: her-MA-no. Stress falls on the second syllable.

For English speakers, the closest approximation is “air-MAH-noh.” Two things trip people up. First, the H is completely silent in Spanish. You never pronounce it. Second, the R is a single tap of the tongue against the ridge behind your upper teeth, closer to a quick “d” sound than the English R.

IPA: /eɾˈmano/

If you want to tell someone “my brother,” you say mi hermano (mee air-MAH-noh). For “your brother,” it’s tu hermano in informal speech or su hermano in formal contexts.

Practicing pronunciation alongside other common phrases makes it stick faster. For greetings you might pair with family introductions, see this guide to saying hello in Spanish.

Grammar Essentials: Gender, Articles, and Plurals

Spanish nouns carry grammatical gender. Hermano is masculine. Here are the core forms every learner needs:

The “Hermanos Means Siblings” Trap

This catches almost every beginner. When someone asks “¿Cuántos hermanos tienes?” they’re asking how many siblings you have, not just how many brothers. Hermanos defaults to the mixed-gender plural, covering brothers and sisters together. Only use hermanas when the group is entirely female.

Practitioners on Reddit and language forums flag this constantly as a source of confusion. A learner answers “Tengo dos hermanos” thinking they’ve said “I have two brothers,” but the listener may understand it as “I have two siblings.” Context usually resolves the ambiguity, but being aware of it prevents awkward miscounts.

Common Mistakes

Two errors come up repeatedly in learning communities. The first is forgetting to pluralize: saying hermano when you mean brothers or siblings. The second is mixing up hermano and hermana under pressure, especially in fast conversation. Both mistakes are normal and fade with practice.

When counting siblings, you’ll need Spanish numbers too. “Tengo tres hermanos” means “I have three siblings.”

Every Type of Brother in Spanish

The word brother in Spanish changes depending on the family relationship. Here’s a quick-reference table:

A few notes on usage. Hermanastro specifically means a stepbrother (no shared biological parents, connected through a parent’s marriage). Medio hermano clarifies a half-brother who shares one biological parent, though in casual conversation many people just say hermano regardless.

Cuñado covers both directions of the in-law relationship: your spouse’s brother or your sibling’s husband.

Diminutive and Augmentative Forms

Native speakers use affectionate variations constantly, but most learning resources skip them entirely. Contributors on HiNative confirm these forms are part of everyday speech:

• Hermanito / hermanita: Literally “little brother / little sister.” The diminutive suffix -ito adds warmth. You can call your brother hermanito affectionately regardless of his actual age, especially if you’re older or just feeling fond.

• Hermanote: The augmentative -ote means “big brother” and carries a playful, slightly teasing tone. You might use it to emphasize his size or seniority.

These forms are especially common in Mexico and Central America but understood everywhere.

Hermano Beyond Family: Other Meanings

The word hermano stretches well beyond biological siblings. Understanding these secondary meanings helps you recognize brother in Spanish across different contexts.

Religious orders. A monk, friar, or member of a religious community is addressed as hermano. The formal abbreviation is Hno. (singular) or Hnos. (plural), used in written correspondence and official documents, particularly within Catholic institutions.

Close friendship. Across most of Latin America, calling someone hermano signals deep trust. It’s the equivalent of saying “he’s like a brother to me.” This usage appears in everyday conversation: “¿Qué pasa, hermano?” means “What’s up, bro?”

Matching pairs. Here’s one most learners never encounter in textbooks. Spanish uses hermano to describe the matching piece of a pair. “No encuentro el hermano de este guante” means “I can’t find the match to this glove.” Collins Dictionary lists this as a standard usage.

Solidarity and unions. In trade union contexts, hermano functions like “brother” in English labor movements, signaling solidarity among workers.

How to Say “Bro” in Spanish: Regional Slang Guide

Dictionary entries give you hermano, but nobody walks around Mexico City or Madrid saying “hermano” the way Americans say “bro.” The slang varies dramatically by country, and this is where knowing how to say brother in Spanish gets genuinely interesting.

Mexico

Mexico has the richest set of options:

• Carnal: The most distinctly Mexican term. Derived from Latin carnalis (“of the flesh”), it implies a bond so close the person might as well be blood. You’ll hear it constantly among friends.

• Mano: Shortened from hermano. Unlike other slang terms, mano tends to refer more specifically to an actual biological brother, though friends use it too.

• Güey (wey): Probably the most popular informal word in Mexican Spanish overall. It’s closer to “dude” than “brother,” but serves the same conversational function. Pronounced “way.”

• Cuate: Originally a Nahuatl word meaning “twin,” now used for close friends. Common in central Mexico.

• Compa: Short for compadre. Warm and familiar.

Spain

• Tío: Literally “uncle,” but used casually the way Americans say “dude” or “man.” “¡Oye, tío!” is something you’ll hear on every street corner in Madrid.

• Colega: Closer to “mate” or “buddy.” Common among younger Spaniards.

Colombia

• Parcero (often shortened to parce): The Colombian go-to for “buddy” or “bro.” IPA: /paɾˈseɾo/. You’ll hear it in Medellín and Bogotá constantly.

Chile

• Compadre: While compadre technically means “godfather” (the father of your godchild), in Chile it functions as a casual term for any close friend.

Argentina

• Hermano itself works as slang in Argentina, especially among young people. They use it loosely the way English speakers use “bro,” without implying actual family connection.

When to Actually Use Slang

One Mexican Spanish resource (ConSalsa) offers advice worth repeating: “For an American learner, compa and carnal can feel tempting because they are warm. But they still imply a relationship. Use them when the other person has already opened that door. Close words need close rooms.”

This is practical guidance. A word that sounds friendly at dinner can sound strange at a front desk. Stick with hermano in neutral situations. Save carnal, parcero, or tío for after the relationship warrants it.

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Common Sentences Using Hermano

Here are practical example sentences organized by situation. These cover the most common ways you’ll encounter brother in Spanish conversation.

Introducing Your Family

• Mi hermano es dos años menor que yo. (My brother is two years younger than me.)

• Yo tengo un hermano y una hermana. (I have one brother and one sister.)

• No tengo hermanos. Soy hijo único. (I don’t have siblings. I’m an only child.)

• Tengo una hermana mayor y un hermano menor. (I have an older sister and a younger brother.)

Asking About Siblings

• ¿Cuántos hermanos tienes? (How many siblings do you have?)

• ¿Tu hermano vive aquí? (Does your brother live here?)

• ¿Cómo se llama tu hermano? (What’s your brother’s name?)

For more questions you might ask someone new, check out this guide on asking “where are you from” in Spanish.

Casual and Slang

• ¿Qué pasa, hermano? (What’s up, bro?)

• Oye, carnal, ¿vamos a comer? (Hey bro, should we go eat?)

• Mi carnal me invitó a su fiesta. (My bro invited me to his party.)

If you’re building food vocabulary for those dinner conversations, this Spanish food words guide pairs well with family terms.

Etymology: Why Spanish Uses Hermano Instead of Fratello

Here’s something no other top-ranking page for “brother in Spanish” explains, and it’s genuinely fascinating.

Most Romance languages derive their word for “brother” from the Latin frater. Italian has fratello. French has frère. Portuguese has irmão (which shares the same root as hermano, not frater). But Spanish took a different path.

Spanish hermanocomes from Vulgar Latin germānus, which meant “full brother,” a sibling sharing both parents. The root is germen, meaning “sprout” or “bud,” applied metaphorically to siblings who are all buds on the same family branch. English cognates include “germ,” “germinal,” and “germane.”

Old Spanish originally had fradre (from frater), but germānus gradually displaced it. Why? Scholars on WordReference forums suggest that germanus carried a stronger emotional connotation of genuine, full kinship, which may have given it an edge in everyday speech. By the time modern Spanish solidified, hermano had won completely.

This makes Spanish (along with Portuguese) an outlier among its Romance language siblings. The next time someone asks you to translate brother to Spanish, you can tell them the word literally means “from the same sprout.”

Related Spanish Family Vocabulary

Building vocabulary in clusters helps with retention. Here’s a broader family reference table:

Godparent relationships carry significant weight in many Spanish-speaking countries, far beyond a ceremonial role. A padrino or madrina often takes on real responsibilities and maintains close family ties, especially within Catholic traditions. Calling a close friend compadre acknowledges this deep cultural bond.

The concept of family in Hispanic cultures frequently extends beyond biological ties. Friends and close acquaintances can be considered part of the extended family, which is exactly why so many slang terms for “brother” exist. Referring to a friend as hermano or carnal is a genuine compliment, signaling they’ve earned family status.

Locking all this family vocabulary into long-term memory works best with spaced repetition, a method that schedules reviews at optimal intervals so you don’t forget what you’ve learned.

Start Practicing Hermano and More

Knowing how to say brother in Spanish is a foundation for real conversations about family, friendships, and culture. The word hermano opens doors to talking about your siblings, greeting friends with warmth, and understanding the cultural weight that family carries across the Spanish-speaking world.

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FAQ

What is the most common translation of brother in Spanish?

The standard translation is hermano (pronounced air-MAH-noh). This is the word used across Spain, Mexico, and all of Latin America for a male sibling.

How do you say “my brother” in Spanish?

“My brother” is mi hermano. The possessive adjective mi (my) doesn’t change for gender. Similarly, “your brother” is tu hermano (informal) or su hermano (formal).

Does hermanos mean brothers or siblings?

Both. The plural hermanos can refer to a group of brothers specifically or to siblings of mixed genders. Spanish defaults to the masculine plural for mixed groups. If you hear “¿Cuántos hermanos tienes?” the question asks about all your siblings, not just your brothers.

How do you say brother-in-law in Spanish?

Brother-in-law is cuñado (koo-NYAH-doh). Sister-in-law is cuñada. These terms apply whether referring to your spouse’s sibling or your sibling’s spouse.

What is the difference between hermano and hermanastro?

Hermano means a full brother (sharing both parents) or sometimes a half-brother in casual use. Hermanastro specifically means a stepbrother, someone connected through a parent’s marriage but sharing no biological parents. A half-brother who shares one biological parent is medio hermano.

How do you say “bro” in Mexican Spanish?

The most popular options are carnal, mano, güey (wey), cuate, and compa. Carnal implies a deep bond, güey is the most casual and widespread, and mano (shortened from hermano) sometimes refers more specifically to an actual brother.

Why is the H silent in hermano?

The H is always silent in Spanish. It’s a remnant of Latin spelling conventions. The word evolved from Latin germanus, and as pronunciation shifted over centuries, the initial G sound softened and eventually disappeared while the spelling was respelled with an H.

What is the abbreviation for hermano in written Spanish?

The formal abbreviation is Hno. (singular) and Hnos. (plural). This is used primarily in religious contexts where someone holds the title of Brother, and occasionally in formal correspondence.