- Mothers, Maidens, Crones
- Moths and Men
- Motorcycle Man
- Mount Zero
- Mountain Climbing in Sheridan Square
- Mountain Man's Omega
- Mountain Prey
- Mountains Paradise
- Mountainway Chant
- Mounted
- Mounting the Catapult
- Mourning and Celebration: Jewish, Orthodox and Gay, Past and Present
- Mourning Dove
- Mourning Malice
- Mouse in the Wainscoting
- Movies, Movie Stars, and Me
- Moving
- Moving Earth (Earthquake #2)
- Moving Forward
- Moving Forward In Reverse
- Moving Forward Sideways Like a Crab
- Moving Maverick
- Moving Monty In (Marshall's Park #6)
- Moving On: Book 27 in the Action! Series
- Mr Loverman
- Mr Sparkles
- Mr Tok
- Mr Warren's Profession
- Mr. Benson (Klassiker der schwulen SM-Literatur)
- Mr. Bulge
- Mr. Clueless
- Mr. Corbin (Executive Row 3)
- Mr. Felcher's Grand Emporium
- Mr. Felcher's Grand Emporium, or, The Adventures of a Pair of Spares in the Fine Art of Gentlemanly ...
- Mr. Ironheart
- Mr. Jaguar
- Mr. November
- Mr. Rothe (Executive Row 2)
- Mr. Russo (Executive Row 1)
- Mr. Shannon's Secret: Decision (Part 3)
- Mr. Shannon's Secret: Desire (Part 2)
- Mr. Shannon's Secret: Discovery (Part 1)
- Mr. Shannon's Secret: The Complete Story
- Mr. Uptight
- Mr. Wallace
- Mr. Wolfe
- Mr. Wonderful [Sweet Perfection 2]
- Mrs. Dalloway
- Mrs. Medina
- Mrs. Stevens Hears the Mermaids Singing
- Ms. Allure - Lesbian Billionaire Romance
- Mucho más que dos
- Mucklucked
- Muerte de un moribundo
- Muerte de un Unicornio
- Muffin, It's Never Too Late for Love
- Muffy: or a Transmigration of Selves
- Mulligan
- Mummy Dearest
- Mundo Cruel
- Muraille Island
- Murder at Leisure Lakes
- Murder at Metrolina
- Murder at Pirate's Cove: An M/M Cozy Mystery
- Murder at Queen Street
- Murder at the Estate Sale
- Murder at the Nightwood Bar
- Murder at the Office: A Mother Daughter Mystery
- Murder at the Windsor Club
- Murder At Willow Slough
- Murder By Tradition
- Murder By Umbrella
- Murder in Boystown Part 1
- Murder in Boystown Part 2
- Murder in Boystown Part 3
- Murder in Boystown Part 4
- Murder in Germantown
- Murder in New York
- Murder in Pastel
- Murder in the Arts District
- Murder in the Collective
- Murder in the Condo Next Door
- Murder in the Collective
- Murder in the Condo Next Door
- Murder In the Garden District
- Murder in the Irish Channel
- Murder In the Rue Chartres
- Murder In the Rue Dauphine
- Murder In the Rue St. Ann
- Murder In the Rue Ursulines
- Murder in Torbaydos
- Murder Me Tender
- Murder Most Fab
- Murder Most Garlic
- Murder Most Vital
- Murder of a Working Ghost
- Murder on the Lake of Fire
- Murder on the Rocks
- Murder Times Four Box Set
- Murder Undercover
- Murder, Romance, and Two Shootings
- Murderous Malice
- Murderous Twins
- Murdo
- Murky Reflections of Reality
- Murphy's Madness
- Murphy’s Law
- Muscle Bound
- Muscle Car Boy
- Muscle Car Man
- Muscle Worshipers
- Muse Me Only
- Music and Magic
- Music From Another World
- Music of the Heart
- Music of the Knight
- Music of the Soul
- Music on the Wind
- Must Love Chickens
- Mutant Blue Eden
- Mutação
- My 3 Boys