- Munroe (continued)
- Munsell
- Munson
- Murchison
- Murdick
- Murdock
- Murphree
- Murphy
- Murray
- Muschinski
- Muse
- Musial
- Music
- Mussell
- Musson
- Mustafa-Kutana
- Muston
- Muth
- Myers
- Mygatt
- Myrick
- Mytton
- Naanes
- Nabors
- Naccarato
- Nadeau
- Nadjadi
- Nafus
- Nafziger
- Nagel
- Nall
- Nance
- Nanney
- Nanseglos
- Nantelle
- Napier
- Narburgh
- Narkiewicz
- Nash
- Nason
- Nasson
- Natale
- Nate
- Nathan
- Nathans
- Native American
- Nauert
- Navari
- Nawrocki
- Nay
- Neal
- Nease
- Neave
- Neblett
- Nebukker
- Needham
- Neefe
- Neeley
- Neeling
- Neely
- Neff