Three-headed monster

Three-headed monster may refer to:


 * Azi dahaka, a three-headed dragon in Persian mythology
 * Cerberus, a multi-headed (usually three-headed) dog in Greek and Roman mythology
 * Zmiy Gorynych, a multi-headed (usually three-headed) Slavic dragon
 * King Ghidorah, a three-headed dragon in the Godzilla franchise
 * Ghidorah, the Three-Headed Monster (1964), the kaiju film in which Ghidorah debuted
 * Triple deity, a deity associated with the number three in mythology
 * 3-Headed Shark Attack (2015), horror film
 * 3 Headed Monsters, a 3x3 basketball team