Three Sisters (Chinese: 三姊妹 ; pinyin: Sān Zǐmèi ) is a 2012 Chinese documentary film directed by Wang Bing.

The film depicts three sisters (aged between four and ten years old) living in a small village near the Sino-Burmese border. They have been abandoned by their mother while their father seeks work in a nearby city.

The film received the Orizzonti Award at the 69th Venice International Film Festival, where it premiered.

An abridged version of the film was released under the title Alone in 2013.