Arsène Lupin is a fictional gentleman thief and master of disguise created in 1905 by French writer Maurice Leblanc. He was originally called Arsène Lopin, until a local politician of the same name protested. The character was first introduced in a series of short stories serialized in the magazine Je sais tout. The first story, "The Arrest of Arsène Lupin", was published on 15 July 1905.

Translated by Edgar Jepson

Maurice Marie Émile Leblanc (11 November 1864 – 6 November 1941) was a French novelist and writer of short stories, known primarily as the creator of the fictional gentleman thief and detective Arsène Lupin, often described as a French counterpart to Arthur Conan Doyle's creation Sherlock Holmes.