"The Secret Sharer" is a short story by Polish-British author Joseph Conrad, originally written in 1909 and first published in two parts in the August and September 1910 editions of Harper's Magazine. It was later included in the short story collection Twixt Land and Sea (1912).

Secret Sharer is a 2014 Anglo-Polish romantic thriller based on Joseph Conrad’s 1909 novella The Secret Sharer. It is directed and written by Peter Fudakowski, and it stars Jack Laskey and Zhu Zhu. It was released in the United Kingdom on 20 June 2014.