- M & A podcast
- M is for Murder
- M jak morderstwo
- M.I.A with Hailey
- M.O.M.
- M2C - An Ennodoppam Specials
- M: Myths & Monsters
- Maalks Podcast Kryminalny
- Maanantaimysteeri
- Maat- Justice for Ojore!
- Macabre America
- Macabre at Midnight
- Macabre for Mortals
- Macabre London Podcast
- Macabre Masters
- Macabre Ramblings
- Macabre Reality: True Stories of Everyday Horror
- Macabrefluent
- Macabreholic
- Macabrepedia: A Marriage of True Crime and the Truly Bizarre
- Macbeth Mysteries
- Macht und Millionen – Der Podcast über echte Wirtschaftskrimis
- Mad Monkey Podcasts
- Mad or Bad - A True Crime Podcast
- Madame Mathei
- Madames & Murderers Podcast
- Madams of Murder
- Maddi Moon Podcast
- Maddie Clifton
- Maddie’s Podcast
- Made For TV Murder
- Made Missing
- Made Paranoid
- Madeleine Macann
- Madeline McCann Files
- Madhu Maata..
- Madmax
- Madness Madness!
- Madness of Crime
- Madrugadores
- Madz, Monsters, and Maniacs
- Maffiapodden
- Mafia
- Mafia Truths with John Alite
- Mafijne historie
- MaGee Crime Time
- Magic Gumbo
- MAIN Blaulicht
- Main Corpse
- Mais um podcast de crime
- Major BuzzKill
- Major Crime
- Major Mystery
- Makayla Cox
- MakaylaCreppypasta
- Make It Make Sense
- Make Them Remember
- Makeup and Murder
- Makeup, Masking & Murder
- Making a Killing
- Making a Monster: The Tapes
- Making Amends
- Making Mobsters
- Making the Case
- Making True Crime Nice!
- Mala Clase
- Malam Kelam Podcast
- Malandrí Criminal
- Malasangre
- Malbros Mysteries
- Maldades Mentales
- Malice Aforethought
- Malice After Midnight: A True Crime Podcast
- Malice and Mayhem
- Malice In Wonderland
- Malice: A True Crime Podcast
- Malikmata Ph
- Malpractice Podcast
- Maltrato Animal
- Maltrato animal
- Mama Mystery - A True Crime Podcast
- Mambo Criminal
- MAMMA, DETENUTA, ALTRO
- Man In The Window: The Golden State Killer
- Man outside
- Man shoots CTA bus after driver tells him to wear mask, police say.
- Managing Violence Podcast with Joe Saunders
- Mandarwan INN Deep
- Mandy Rai
- Manga_the_mortal
- Manhunt 069
- Manhunter Radio
- Mania
- Mannheim Mord
- MANslaughter
- Manson Fjölskyldan
- Many Cones, Based On True Crime
- Manzanas Podridas
- Maple Moose Mysteries
- Mapping Evil with Mike King
- Maps End Podcast
- Mara Salvatrucha
- MarcoAntonioC
- Mardrömmarnas Podd
- Margaritas & Murders - A True Crime Podcast
- Margaritas and Murder
- Margs and Mayhem
- Margs, Murder, & Mayhem
- Maria
- Mariannesaken
- Marina Villa
- Marissa's Theories
- Maritza Nava Davila
- Marlon Joseph
- Marmalade Mysteries: A Murder, Mystery & Missing Persons Podcast
- Marple &Christie
- Marriage and Murder
- Marriage is a Scream
- Marriage, Hauntings, and Murder
- Married to Mystery
- Mars
- Martin Bryant- port Arthur massacre
- Martinis & Murder
- Marvels, Mysteries and Midlanders
- Mary bell short story
- Maryland's Most Notorious Murders
- Marylin Chignet - True Crime
- Mas aya del titular
- Mask of Sanity
- Mask of the maniac
- Mask Z
- Masked Murder
- Masks of Sanity
- Mass Murder: Nathaniel Bar- Jonah
- Massilia Shit System
- MassMurder
- Massmördarpodden
- Mastermind Nolan Podcast
- Mata Batin
- Mata Kucing (Horor)
- Matando El Tiempo
- Matematika zločinu
- Materia Prima
- Mathilde's Mysterie
- Matka pimeyteen
- Matrimonio Desaparece En Busan Misteriosamente
- Matt Cox Inside True Crime Podcast
- Matt's Musings
- Matt's Mysteries: Resurrection
- Matthew H
- Matthew See Podcast
- Maura Murray (107 Degrees) Podcast
- Maurice de Hond, de schoft van de Deventer Moordzaak
- Mauvais Augure
- Mavens of Misdeeds
- Maves Place Mysteries
- May 21, 1998-Abortion Clinics Attacked
- Mayhem & Spooks
- Mayhem with Michele McPhee Podcast
- MC Carlinhos Da Lealdade
- Mc Dzoh013
- McSkyz
- MDK SQUAD
- Me asustas pero me gustas
- Me explica direito
- Me Time & MURDER
- Me, Myself & Mysteries
- Mean Old World
- Mechanisms of Murder
- Meddling Kids
- Medical Crimes
- Medicinmannen
- Medo Podcast
- Meeks
- Meet The SHU
- Megan Melgarejo_3B
- Mehr als ein Mord
- Mejor Que No Se Sepa - La Dictadura
- Mel Cruz
- Melanated True Crime
- Melancholia: A True Crime Podcast
- Melanin and Murder Podcast
- Melanin Macabre
- Melaninated...Murdered...Missing and More
- Melissa Mendoza
- Members of the Jury
- Memento Mori
- Memescriminais
- Memorias de un Nahual
- Memories - Raccontiamo momenti
- Memphis Mysteries
- Memórias de Crimes Paranaenses
- Men Going Home hosted by Chris Wolfe
- Men, Murder, and Muffins
- Menendez Brothers
- Mens Rea: A true crime podcast
- Menschen und Monster
- Mental Craic: Killers, Cults, and Crimes with a proper drink on the side.
- Mental Illness Theatre - The Worst
- Mental Myths & Mysteries
- Mente Criminal
- Mente Criminosa
- Mentes Asesinas
- Mentes Criminosas
- Mentes Criminosas Podcast
- Mentes Rebeldes
- Mentes Relativas
- Mentes retorcidas
- Mentre Morivo
- Meow Im A Dog
- MERAKIT
- Mere Tujhse Kuch Unkahey Words
- Mereka Ada Di Sana
- Mereka Berkata
- Meshia’s interlude-a true black crime podcast 🐝
- Mesmurder
- Messcherp Media
- Messy Souls
- Met Voorbedachte Rade Podcast
- Meta Monday MurderCast
- Metal For Hire: True Crime Podcast
- Method and Madness
- Mette und der tödliche Ring
- Meu Amigo Assassino
- Meurtres en France • Histoires Vraies
- MFM Minisode 240 Podcast
- Mhmmd_seva
- Mi Sale il Crymine
- Mia Gutierrez and Javier Chavarrias podacst
- Mia Todd True Crime
- Mia_Podcast
- Mice and Men
- Michael Talks
- Michigan and other Mayhem
- Michigan Murders & Music
- Middle to End
- Midnight at the Cemetery
- Midnight munchies with Amelie
- Midnight Podcast
- Midnight True Crime