| Name | # Entries |
|---|---|
| Kerslake | 36 |
| Koch | 36 |
| Kistan | 35 |
| Kell | 34 |
| Kelliher | 34 |
| Kruger | 34 |
| Kerry | 33 |
| Kwan | 33 |
| Keeley | 32 |
| Keepa | 32 |
| Kids | 32 |
| Kingsbury | 32 |
| Kirwan | 32 |
| Knight | 32 |
| Karena | 32 |
| Kevin | 31 |
| Kidsfirst | 31 |
| Knudsen | 31 |
| Kernohan | 30 |
| Ken | 29 |
| Kerr | 29 |
| Kilmister | 29 |
| Kinnaird | 29 |
| Kwon | 29 |
| Kilkelly | 28 |
| Kinloch | 28 |
| Klenner | 28 |
| Krammer | 28 |
| Kistensamy | 28 |
| Kau | 27 |
| Keesing | 26 |
| Kirton | 26 |
| Klue | 26 |
| Kupa | 25 |
| Khanye | 25 |
| Kamaldien | 25 |
| Kirchner | 25 |
| Keil | 24 |
| Kim | 24 |
| Kings | 24 |
| Kawana | 23 |
| Kelleher | 23 |
| Kempton | 23 |
| Kingston | 23 |
| Kivell | 23 |
| Koru | 23 |
| Kwik | 23 |
| Kingwill | 23 |
| Kelso | 22 |
| Kennelly | 22 |
| Kaiapoi | 22 |
| Karen | 22 |
| Kooverjee | 22 |
| Kissoon | 22 |
| Konar | 22 |
| Khota | 21 |
| Keall | 20 |
| Kerridge | 20 |
| Kiddie | 20 |
| Koster | 20 |
| Khathi | 20 |
| Khoury | 20 |
| Kuppusamy | 20 |
| Kelman | 19 |
| Kia | 19 |
| Kilbirnie | 19 |
| Knowler | 19 |
| Konica | 19 |
| Kain | 19 |
| Kanji | 19 |
| Kharwa | 19 |
| Kassen | 19 |
| Kelsall | 18 |
| Kenning | 18 |
| Kfc | 18 |