The Beijing Snacks restaurant posted a notice saying that Japanese, Filipino and Vietnamese patrons are not welcome, and neither are dogs.
According to the BBC, the move provoked an angry reaction, with online commenters accusing the restaurant of "extremism" and "racism".
The sign posted in the window of Beijing Snacks makes its intention clear in both Chinese and English.
All three nations are involved in long-running maritime disputes with China over national boundaries in the East and South China Seas.
Mostly recently Beijing has been arguing with Tokyo over the Senkaku Islands, known as the Diaoyu Islands in Chinese, which are controlled by Japan, but claimed by China.
Vietnam, the Philippines and Taiwan are also in dispute with China over the sovereignty of islands in the South China Sea.
London: A restaurant in Beijing restaurant has refused to serve Japanese, Filipino and Vietnamese customers as these three Asian neighbours are currently involved in simmering maritime disputes with China.
First Published: Thursday, February 28, 2013, 12:04