| Name | # Entries |
|---|---|
| Nienaber | 71 |
| Newlands | 71 |
| Nesbit | 70 |
| November | 70 |
| Ncube | 70 |
| Nolte | 68 |
| Ndebele | 68 |
| Noonan | 67 |
| Nzama | 67 |
| Nene | 67 |
| Neumann | 66 |
| Nga | 66 |
| Ngema | 66 |
| Ngati | 65 |
| Ngobese | 64 |
| Nand | 64 |
| National | 64 |
| Ntshangase | 62 |
| Nathoo | 59 |
| Nalder | 58 |
| Nyembe | 57 |
| Nepia | 57 |
| Nkabinde | 56 |
| Northland | 56 |
| Nation | 55 |
| Niemann | 51 |
| Ndhlovu | 51 |
| Narain | 50 |
| Ntombela | 48 |
| Norwood | 47 |
| Nefdt | 47 |
| Nevill | 47 |
| Nola | 44 |
| Norval | 44 |
| Naik | 44 |
| Nobrega | 43 |
| Nyathi | 43 |
| Ngwane | 43 |
| Norrie | 43 |
| Nysschen | 43 |
| Northcote | 42 |
| Necker | 42 |
| Ndlela | 41 |
| Newdick | 41 |
| Ngomane | 39 |
| Ngan | 39 |
| Newall | 39 |
| Newth | 38 |
| Nayager | 38 |
| Nagar | 38 |
| Nesbitt | 37 |
| Ngoma | 37 |
| Naughton | 37 |
| Nkambule | 37 |
| Nzuza | 37 |
| Nhlapho | 36 |
| Neel | 35 |
| Nero | 35 |
| Neilson | 35 |
| Neuhoff | 35 |
| Newsome | 34 |
| Nilsson | 34 |
| Noordwyk | 34 |
| Natha | 32 |
| Nielson | 32 |
| Nundlall | 31 |
| Ntshingila | 31 |
| Neil | 30 |
| Niehaus | 30 |
| Ndimande | 29 |
| Natural | 29 |
| Night | 29 |
| Nieman | 29 |
| Nisbet | 28 |
| Neves | 28 |