-Macgyver
-Madric
-Maggottail
-Magpie
-Mallowfur
-Mallownose
-Mallowtail
-Mapleshade
-Maplestar
-Marigoldkit
-Marmalade
-Marshcloud
-Marshkit
-Marshpaw
-Marshscar
-Meadowpelt
-Meadowslip
-Melting Ice
-Merry
-Micah
-Midgepelt
-Midnight
-Milkfur (MV)
-Milkfur (RC)
-Milkfur (WC)
-Milkweed
-Millie
-Minnowkit (CotC)
-Minnowkit (CP)
-Minnowtail
-Mintfur (RC)
-Mintfur (SC)
-Mintkit (YS)
-Mintpaw (CJ)
-Minty (KP)
-Minty (Ro)
-Misha
-Mist (Lo)
-Mist Where Sunlight Shimmers
-Mistcloud
-Mistfeather
-Mistkit (TC)
-Mistlekit (CJ)
-Mistlekit (TPB)
-Mistmouse
-Mistpelt
-Misty
-Misty Water
-Mistystar
-Mitzi (KP)
-Mitzi (Lo)
-Mole
-Molepaw (NP)
-Molepelt
-Molewhisker (RC)
-Molewhisker (TC)
-Moon Shadow
-Moonflower
-Morning Fire
-Morning Star
-Morning Whisker
-Morningcloud
-Morningflower
-Morningkit
-Morningmist
-Morningstar
-Moss (KP)
-Mosstail
-Moss That Grows By River
-Mossfire
-Mossheart (SC)
-Mossheart (TC)
-Mosskit (TC)
-Mossleaf
-Mosspaw (SC)
-Mosspelt
-Mossyfoot
-Mothflight
-Mothpelt
-Mothwhisker
-Mothwing
-Mottlepaw
-Mouse (MEV)
-Mouse Ear
-Mousefang
-Mousefur
-Mousewhisker
-Mousewing
-Mouthclaw
-Mud Claws
-Mudclaw (SC)
-Mudclaw (WC)
-Mudfur
-Mudpuddle
-Mudthorn
-Mumblefoot
-Myler