| Nabors (14,316) | Nace (10,245) | Nadeau (29,805) |
| Nagel (54,249) | Nagle (53,679) | Nagy (41,203) |
| Nail (20,536) | Najera (26,529) | Nakamura (11,191) |
| Nall (19,680) | Nalley (12,389) | Nally (11,831) |
| Nam (11,866) | Nance (82,904) | Nandez (11,986) |
| Napier (54,304) | Napoli (11,674) | Napolitano (14,806) |
| Naranjo (25,138) | Narvaez (17,518) | Nash (238,628) |
| Nason (23,280) | Natale (11,633) | Nathan (27,137) |
| Nation (17,609) | Nations (9,851) | Naughton (17,105) |
| Nava (63,840) | Navarrete (34,488) | Navarro (183,239) |
| Nave (13,810) | Naylor (60,940) | Nazario (11,958) |
| Nderson (97,423) | Ndez (17,243) | Neal (436,294) |
| Neale (13,257) | Nealy (11,899) | Neary (17,961) |
| Needham (43,643) | Neel (26,993) | Neeley (32,317) |
| Neely (89,489) | Neese (14,283) | Neff (101,522) |
| Negrete (21,551) | Negron (43,458) | Neighbors (14,980) |
| Neil (86,789) | Neill (87,502) | Neilsen (11,454) |
| Neilson (33,085) | Neiman (11,997) | Nell (11,909) |
| Nellis (13,373) | Nelms (19,034) | Nelsen (25,649) |
| Nelson (1,832,005) | Nemeth (19,334) | Neri (11,100) |
| Nesbit (25,441) | Nesbitt (39,257) | Nesmith (23,290) |
| Ness (39,326) | Nester (17,011) | Nestor (13,745) |
| Nettles (31,444) | Neubauer (16,263) | Neuman (35,056) |
| Neumann (45,050) | Nevarez (25,866) | Neville (41,544) |
| Nevin (10,386) | Nevins (21,623) | New (41,373) |
| Newberry (44,768) | Newby (37,416) | Newcomb (64,355) |
| Newcomer (19,581) | Newell (133,240) | Newhall (11,287) |
| Newhouse (23,193) | Newkirk (39,088) | Newland (27,454) |
| Newlin (15,000) | Newman (450,054) | Newport (10,182) |
| Newsom (43,250) | Newsome (59,597) | Newson (16,678) |
| Newton (315,201) | Ney (11,212) | Nez (21,709) |
| Ngo (48,451) | Nguyen (792,604) | Nice (11,571) |
| Nicely (13,445) | Nichol (17,060) | Nicholas (107,997) |
