- Mishavonna
- Misisipi Mike Wolf
- Miss Behavin'
- Miss Charlotte
- Miss Helen
- Miss I Frost
- Miss Lana Rebel
- Miss Leslie and Her Juke-Jointers
- Miss Willie Brown
- Missingtime
- Mission City Playboys
- Mississippi Chris Sharp
- Missouri
- Missouri Jennings
- Missouri Mountain Gang
- Missy Raines
- Missy Raines & the New Hip
- Missy Reeves
- Mister D
- Mister Miller
- Misty Morgan
- Misty Rae Sereff
- Misty River
- Mitch Cason
- Mitch Chandler
- Mitch Corbin
- Mitch Daigneault
- Mitch Daniel
- Mitch Harrell
- Mitch Humphries
- Mitch Jacobs
- Mitch Mulkey
- Mitch Reese
- Mitch Sands
- Mitch Snow
- Mitchell Davis
- Mitchell John
- Mitchell Torok
- Mitzi Oden
- Mixt Company
- Miz Mumbles
- M.J. Nelson
- Mo Nelson
- Mo Pitney
- Mo Robson
- Mo Robson Band
- Moan Tones
- Moatsville String Ticklers
- Modern Day Drifters
- Modern Hicks
- Moe Bandy
- Moe Bandy & Joe Stampley
- Moe Bandy & The Mavericks
- Moe Brandy
- Moe & Joe
- Moe Provencher
- Mole Train
- Moli
- Mollie O'Brien
- Molly Bee
- Molly Bloom
- Molly McGinn
- Molly O'Day
- Molly O'Day & the Cumberland Mountain Folks
- Molly Rees
- Molly Skaggs
- Molly Stemp
- Molly Stouten
- Molly & the Heymakers
- Molly Williams
- MollyJack
- Mona McCall
- Monadnoc
- Mondi Klein
- Mondo Earwood
- Monette
- Monica Eby
- Monica Jinks
- Monique Gonzales
- Monique Roy
- Monisa Angell
- Monkey Butter
- Monkey Grip
- Monroe County Bottle Tippers
- Monroe Crossing
- Montana Rose
- Montana Slim
- Monte Stephens
- Monte Warden
- Montgomery Gentry
- Montgomery Gentry
- Montgomery Gentry Tribute
- Monty And The Pythons
- Monty Hawkeye Henson
- Monty Holmes
- Monty Lane Allen
- Monty Persaud
- Moon Mountain Ramblers