How to Say "Mayo" in Japanese

マヨネーズ

mayonēzu[ma̠jo̞ne̞ːzɨ]

The English phrase 'mayo' is translated into Japanese as マヨネーズ (mayonēzu).

マヨネーズ is the standard term used to refer to the creamy condiment known as mayonnaise.

Which one should you use?

While マヨネーズ is the standard term, the shortened form マヨ is also used as an informal way to say 'mayo'.

mayonēzu

The word マヨネーズ is a loanword that entered Japanese through French rather than English.
In Japan, マヨネーズ is often sold in soft, squeezable plastic tubes rather than glass jars, which is the standard in the US.
There is a specific Japanese culinary category called マヨ系 (mayo-kei) for dishes where マヨネーズ is the primary flavoring agent.

ポテチにマヨネーズつけると、うまい！
Mayo on potato chips tastes good!
This sentence shows how using マヨネーズ with potato chips tastes good.
Tatoeba #11898498 by small_snow, translation #11915786 by end
あのマヨネーズの中、添加物ばっかり！
There are only chemicals in that mayo!
This sentence highlights the use of マヨネーズ when discussing additives in the condiment.
Tatoeba #1643773 by mookeee, translation #511195 by aandrusiak
Kore wa mayo de iidesu ka? (これはマヨでいいですか？)
Can I use mayo for this?
Kono sushi ni mayo o tsukete kudasai. (この寿司にマヨをつけてください。)
Please put mayo on this sushi.
Takoyaki ni wa mayo ga niau. (たこ焼きにはマヨが似合う。)
Mayo goes well with takoyaki.
Korokke ni mayo o tsukete mo oishii desu. (コロッケにマヨをつけても美味しいです。)
It tastes delicious to put mayo on croquettes.

Kenta and Misaki are preparing a salad together.

美咲 Misaki

サラダにマヨネーズを入れていい？
sarada ni mayone-zu o irete ii?
Can I put mayonnaise in the salad?
健太 Kenta

うん、たくさん入れてね。
un, takusan irete ne.
Yeah, put in plenty.
美咲 Misaki

あ、マヨネーズがもうない！
a, mayone-zu ga mou nai!
Oh, we're out of mayonnaise!
健太 Kenta

じゃあ、後で買いに行こう。
jaa, ato de kai ni ikou.
Then let's go buy some later.

Sources

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