Mr Ma and Son (simplified Chinese: 二马; traditional Chinese: 二馬; pinyin: Ėrmǎ; literally: "The Two Mas" or "Ma and Son") is a satirical novel written by Chinese author Lao She, first serialized in 1929 in the journal Fiction Monthly.

Lao She's third novel, it tells of the experiences of a Chinese father and his son in London after taking over the antique shop of his newly deceased brother.

It chronicles the experiences of a Chinese widower, Ma Zeren (simplified Chinese: 马则仁; traditional Chinese: 馬則仁), usually referred to in the text as Mr. Ma, and his son Ma Wei (simplified Chinese: 马威; traditional Chinese: 馬威), as they journey to London to take over an antique shop left by Mr Ma's deceased brother, located near St Paul's Cathedral.

The novel is an acerbic satire revealing both the West's prejudice against the Chinese and China's "failure to stand up for itself in the world", according to academic Julia Lovell.

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