Marsyas
Maruts
Mary
Marzanna
Masalai
Maski’-k’su (Toad Woman)
Massacooraman
Matagot
Mateguas
Math Fab Mathonwy
Matryoshka
Matsya
Māui
Mavka
Mawu-Lisa
Mayahuel
Mayari
Mayura
Mazu
Mazzikin
Mbói Tu’ĩ
Mbwiri
Mbwun
Medb
Medea
Medusa
Melek Taus
Meliae
Melusine
Menehune
Mēness
Meng Po
Menhit
Menninkäinen
Menoetius
Mercury
Meridiana
Merlin
Merlion
Mermaid
Merman
Merrow
Metatron
Metis
Mher
Michael
Michigan Dogman
Mictlan
Mictlantecuhtli
Midas
Midir
Mielikki
Miluotuo
Mimi
Mímir
Minerva
Minka Bird
Minokawa
Minos
Minotaur