Samuel Langhorne Clemens (November 30, 1835 – April 21, 1910), better known by his pen name Mark Twain, was an American author and humorist.
Sicer je bil navdušen ribič (zapisal je temeljna pravila športnega ribolova na velike ribe, zato ga skupaj z Ernestom Hemingwayjem štejemo tudi kot utemeljitelja »big game ribolova«) in igralec bejzbola.