M
- Mabank
- Mabelle
- Mac Bain
- Macdona
- Macedonia
- Macedonia
- Macedonia
- Macey
- Machovec
- Mackay
- Macomb
- Macon
- Macune
- Madden
- Madero
- Madisonville
- Madras
- Maedan
- Magasco
- Magers Crossing
- Magic City
- Magnet
- Magnolia
- Magnolia Beach
- Magnolia Gardens
- Magnolia Hills
- Magnolia Springs
- Magnum
- Magoun
- Magwalt
- Mahl
- Mahomet
- Mahoney
- Majors
- Malakoff
- Malden
- Mallard
- Mallett
- Malone
- Malta
- Malvado
- Malvern
- Mambrino
- Manchaca
- Manchester
- Manda
- Mangum
- Manheim
- Mankins
- Mankins Mill
- Mann
- Mann Crossing
- Manning
- Manor
- Mansfield
- Manson
- Mantu
- Manvel
- Manver
- Maple
- Maple
- Mapleton
- Marak
- Marathon
- Marble Falls
- Marco
- Marfa
- Margaret
- Marie
- Marietta
- Marilee
- Marilla
- Marion
- Markham
- Markley
- Markout
- Marlin
- Marlow
- Marly
- Marquez
- Marsh
- Marshall
- Marshall Creek
- Marshall Ford
- Marshall Springs
- Marshy Springs
- Marston
- Mart
- Martha
- Martin
- Martindale
- Martinez
- Martins Mills
- Martin Springs
- Martinsville
- Marvels
- Marvin
- Maryetta
- Maryneal
- Marysville
- Masey Lake
- Mason
- Mason Crossing
- Masonry
- Masterson
- Matador
- Matagorda
- Mathis
- Matilda
- Matthews
- Matthews Place
- Mattox
- Mattson
- Maud
- Maudlowe
- Mauriceville
- Maverick
- Maxdale
- Maxey
- Maxey Town
- Maxpearl
- Maxwell
- May
- Mayd
- Maydelle
- Mayer
- Mayfair
- Mayfield
- Mayfield
- Mayflower
- Mayhill
- Maynard
- Mayo
- Maypearl
- Maysfield
- McAdoo
- McAllen
- McBride
- McCamey
- McCaulley
- Mc Clanahan
- McClelland
- McClures
- McCook
- McCoy
- McCoy
- McCracken Estates Colonia
- McCraw Chapel
- McCroskey
- McDade
- McDonald
- McElroy
- McFaddin
- McFarland Place
- McGirk
- McGregor
- McHattie
- McKeichan Crossing
- McKibben
- McKinney
- McKinney Springs
- McKnight
- McKnight
- McLean
- McLendon
- McLendon-Chisholm
- McLeod
- McMahan
- McMillan
- McNair
- McNary
- McNeil
- McNorton
- McQueeney
- Meaders
- Meadow
- Meadowlakes
- Meadows
- Meadows Place
- Meadowview
- Mecca
- Medicine Mound
- Medill
- Medina
- Medina
- Meeker
- Meeks
- Megargel
- Melissa
- Melo
- Melody Hills
- Melon
- Melrose
- Melvin
- Memphis
- Menard
- Mendiates
- Mendota
- Mendoza
- Menlow
- Mentone
- Mentz
- Mercedes
- Mercers Gap
- Mercury
- Mereta
- Meridian
- Merit
- Merito
- Merkel
- Merle
- Merrick
- Mertens
- Mertzon
- Mesilla Park
- Mesquite
- Metcalf Gap
- Metcal Gap
- Metz
- Mewshaw
- Mexia
- Mexico
- Meyerland
- Meyersville
- Miami
- Mico
- Midcity
- Middleburg
- Middle Crossing
- Middleton
- Middle Water
- Middlewell
- Midfield
- Midkiff
- Midland
- Midline
- Midlothian
- Midway
- Midway
- Midway Crossing
- Midway North
- Midway South
- Midway Station
- Midyett
- Miguel
- Mikeska
- Mila Doce
- Milam
- Milano
- Milburn
- Mildred
- Mile High
- Miles
- Milford
- Military Crossing
- Mill Creek
- Miller Grove
- Millers
- Miller's Cove
- Millersview
- Millett
- Millheim
- Millican
- Mills
- Millsap
- Millsville
- Mill Town
- Millwood
- Milo Center
- Milton
- Milvid
- Mims
- Mims Chapel
- Minden
- Mineola
- Mineral
- Mineral Heights
- Mineral Wells
- Minerva
- Mingo
- Mings Chapel
- Mingus
- Minnetex
- Minter
- Minters Chapel
- Mirando City
- Mission
- Mission Bend
- Mission Hills
- Mission Valley
- Missouri City
- Mitchell
- Mitchell Crossing
- Mittie
- Mixon
- Mobberly
- Mobeetie
- Mobile City
- Mofeta
- Moffat
- Moffitt
- Moistown
- Moline
- Monahans
- Monaville
- Monica
- Monkstown
- Monroe
- Monroe City
- Mont
- Montague
- Montalba
- Mont Belvieu
- Monte Alto
- Monte Christo
- Monte Cristo Acres Colonia
- Monte Grande
- Montell
- Monteola
- Monterey
- Monterey
- Montfort
- Montgomery
- Monthalia
- Monticello
- Montopolis
- Montoya
- Moody
- Moonshine Hill
- Moore
- Mooredale
- Moore Grove
- Moore Hill
- Moores Crossing
- Moore Station
- Mooreville
- Mooring
- Morales
- Moran
- Moravia
- Morey
- Morgan
- Morgan Bluff
- Morgan Farm Area
- Morgan Mill
- Morgan Point
- Morgan's Point
- Morgan's Point Resort
- Morita
- Morning Glory
- Morris Grove
- Morrison Falls
- Morris Ranch
- Morse
- Morse Junction
- Morton
- Morton Valley
- Moscow
- Moselle
- Moser
- Mosheim
- Moss Bluff
- Moss Hill
- Mossville
- Mossy Grove
- Mostyn
- Moulton
- Mound
- Mound City
- Mound Prairie
- Mountain City
- Mountain Home
- Mountain Meadows Estates Colonia
- Mountain Peak
- Mountain Springs
- Mountain View
- Mountain View Estates
- Mount Blanco
- Mount Calm
- Mount Enterprise
- Mount Gainor
- Mount Herman
- Mount Houston
- Mount Joy
- Mount Mitchell
- Mount Olive
- Mount Pleasant
- Mount Rose
- Mount Selman
- Mount Sylvan
- Mount Union
- Mount Vernon
- Mount Wesley
- Mount Zion
- Moursund
- Mozelle
- Mozo
- Mt Hope
- Muddig
- Mudville
- Muehlsville
- Mueliersville
- Muenster
- Mulberry
- Mulberry Canyon
- Muldoon
- Muleshoe
- Mulkey
- Mullin
- Mullins Prairie
- Mumford
- Muncy
- Munday
- Munger
- Mungerville
- Muniz
- Munson
- Munz
- Murchison
- Murdo
- Murphy
- Murray
- Musgrove
- Mustang
- Mustang Beach
- Mustang Ridge
- Mykawa
- Myra
- Myrtle
- Myrtle Springs