Maduin and Madeen may refer to:
- The character and summon Maduin from Final Fantasy VI.
- The recurring summon Madeen originated from Final Fantasy IX, also known as Maduin in Final Fantasy XII and Dissidia Final Fantasy.
Máel Dúin. He is the protagonist of Immram Maele Dúin or the Voyage of Máel Dúin, a tale of a sea voyage written in Old Irish around the end of the first millennium. He is the son of Ailill Edge-of-Battle, whose murder provides the initial impetus for the tale.Maduin's Japanese name is