は～で有名【は～でゆうめい】

The pattern は～で有名 is used to express that something or someone is famous for a particular quality, product, feature, or action. The particle は marks the topic (the thing that is famous), and で indicates the reason or basis for the fame. ゆうめい有名 is a な-adjective meaning "famous" or "well-known."

Basic structure

The topic is followed by は, the reason for fame is marked with で, and the sentence ends with 有名 (optionally followed by です for politeness).

What can come before で

The reason for fame can be a noun, a verb phrase (nominalized), or an adjective phrase (nominalized).

Noun:

Verb phrase (using こと or の to nominalize):

Adjective phrase (nominalized with こと or の):

Negative and past forms

Since ゆうめい有名 is a な-adjective, it conjugates accordingly:

• Negative: 有名ではない / 有名じゃない

  このみせ店はあまりりょうり料理でゆうめい有名ではない。

  This restaurant is not very famous for its food.

• Past: 有名だった

  そのむら村はかつてわいんワインでゆうめい有名だった。

  That village was once famous for its wine.

Related expression: ～として有名

A closely related pattern is ～として有名 ("famous as ~"), which emphasizes the role or identity rather than the reason. Compare:

• かれ彼はいしゃ医者としてゆうめい有名だ。 – He is famous as a doctor.
• かれ彼はあたらしい新しいちりょうほう治療法でゆうめい有名だ。 – He is famous for a new treatment method.