Quick Guide: How to Say Grandpa in Japanese – Learn Today

Want to deepen your connection with your Japanese grandfather? Learning to speak to him in his native language is a great way to start. In this section, we will guide you on how to say “grandpa” in Japanese. By the end of this guide, you’ll have the Japanese translation for “grandpa” at your fingertips.

Showing respect to your elders is an essential aspect of Japanese culture. Speaking their language can help you build a strong relationship with them. So, let’s get started and learn the Japanese term for “grandpa.” We’ll cover all the basics, including the Japanese word for grandpa, grandpa translation in Japanese, and Japanese term for grandpa. This quick guide will help you communicate better with your grandparents and impress them with your newfound skills.

Introduction to Japanese Terminology for Family Members

Before we learn how to say “grandpa” and “grandfather” in Japanese, let’s first familiarize ourselves with the Japanese terminology for family members. Japanese has specific words for various family relationships, including grandparents. Understanding this terminology is essential for enhancing your language skills and cultural knowledge.

Below is a table showing some common Japanese words for family members:

RelationshipJapanese Word
Grandfatherおじいさん (ojiisan), おじいちゃん (ojiichan)
Grandmotherおばあさん (obaasan), おばあちゃん (obaaachan)
Fatherお父さん (otousan), とうさん (tousan)
Motherお母さん (okaasan), かあさん (kaasan)
Brother兄 (ani), 弟 (otouto)
Sister姉 (ane), 妹 (imouto)

As you can see, there are different words for grandfather, depending on the level of formality and familiarity. “Ojiisan” and “ojiichan” are the most commonly used terms.

It’s worth noting that Japanese family relationships are often referred to with honorific prefixes, such as “o-” and “go-,” to show respect. For example, “ojiisan” can also be expressed as “ojiisan,” but the former is more polite.

Now that we’ve familiarized ourselves with the Japanese words for family members, it’s time to learn how to say “grandpa” and “grandfather” in Japanese.

How to Say Grandpa in Japanese

Learning how to say “grandpa” in Japanese is a great way to express your love and respect for your grandfather. In Japanese, the word for “grandpa” is “おじいさん” (ojii-san), which can also be written in kanji as “お祖父さん”.

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The pronunciation of “ojii-san” is as follows:


Alternatively, you can also use the word “おじいちゃん” (ojiichan) to refer to your grandfather. This term is more informal and affectionate than “ojii-san”.

Now that you know how to say “grandpa” in Japanese, you can use this term to address your grandfather or refer to him in conversation.

How to Say Grandfather in Japanese

Now that you know how to say “grandpa” in Japanese, it’s time to learn how to say “grandfather.” The Japanese term for grandfather is “ojiichan” (おじいちゃん), which is also spelled as “oji-san” (おじさん) in a more casual setting.

The word “ojiichan” is a combination of two words, “oji” meaning uncle, and “chan” being a term of endearment. The term “ojiichan” is used to refer to both paternal and maternal grandfathers in Japanese. However, if you want to specify which side of the family your grandfather is from, you can use the words “sofu” (祖父) for grandfather on your father’s side, and “sofubo” (祖母) for grandmother on your father’s side. For grandparents on your mother’s side, you can use the words “mago” (孫) for grandfather, and “magobo” (孫娘) for grandmother.

It’s essential to note that in Japan, addressing people based on their age and status is highly valued. Therefore, it’s common to add the honorific “san” (さん) after someone’s name or relation, especially when addressing someone older than you. If you want to show even more respect to your grandfather, you can use “o” (お) before “ojiichan” to make it “oojiichan” (おおじいちゃん).

Grandfather Translation in Japanese

To recap, the Japanese word for grandfather is “ojiichan” (おじいちゃん) or “oji-san” (おじさん) in a casual setting. Remember to use the honorific “san” to address your grandfather and “o” before “ojiichan” for added respect.

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Japanese TermRelationEnglish Translation
おじいちゃん (ojiichan)Paternal or maternal grandfatherGrandfather
おじさん (oji-san)Paternal or maternal grandfatherGrandfather (informal)
祖父 (sofu)Grandfather on father’s sideGrandfather
祖母 (sofubo)Grandmother on father’s sideGrandmother
孫 (mago)Grandfather on mother’s sideGrandfather
孫娘 (magobo)Grandmother on mother’s sideGrandmother

Congratulations! You can now communicate about your grandfather with Japanese speakers using the appropriate terms. Keep in mind that familiarity with Japanese terminology for family members can help you build stronger personal connections and cultural understanding.


Congratulations on learning how to say “grandpa” and “grandfather” in Japanese! You now have the knowledge to communicate with your Japanese-speaking elders with greater respect and understanding. By incorporating these terms into your vocabulary, you can engage in meaningful conversations about your family in Japanese. Remember to practice regularly to solidify your understanding of these words and continue exploring the richness of the Japanese language.

Keep Expanding Your Japanese Vocabulary

Learning a new language can be challenging, but it’s also incredibly rewarding. Now that you’ve mastered the Japanese terms for “grandpa” and “grandfather,” why not continue expanding your vocabulary? There are many resources online that can help you learn Japanese, from apps and websites to language classes. Keep practicing, and soon you’ll be able to speak Japanese with greater fluency!


Q: How do you say “grandpa” in Japanese?

A: The Japanese word for “grandpa” is “sofu” (祖父) pronounced as “soh-foo”.

Q: Are there any alternative words for “grandpa” in Japanese?

A: Yes, there are alternative words for “grandpa” in Japanese. Another commonly used term is “ojiisan” (おじいさん) which is a more casual and affectionate way of referring to a grandfather.

Q: How do you say “grandfather” in Japanese?

A: The Japanese word for “grandfather” is “sofu” (祖父) pronounced as “soh-foo”. It is the same term used for “grandpa”.

Q: Can I use the term “sofu” for both “grandpa” and “grandfather”?

A: Yes, “sofu” can be used interchangeably for both “grandpa” and “grandfather” in Japanese. It is a general term for the paternal side of one’s family.

Q: How do you pronounce “sofu”?

A: The pronunciation of “sofu” is “soh-foo”.

Q: Are there any honorifics or respectful terms for “grandpa” or “grandfather” in Japanese?

A: Yes, in formal situations or when showing utmost respect, you can use the honorific term “o-jii-san” (お爺さん) which means “honorable grandfather”. This term is often used when addressing someone else’s grandfather or in more formal settings.

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