| Name | # Entries |
|---|---|
| Leader | 53 |
| Lockett | 53 |
| Large | 53 |
| Lochhead | 52 |
| Laidlaw | 52 |
| Low | 51 |
| Lusty | 51 |
| Luff | 51 |
| Leahy | 51 |
| L | 50 |
| Lauder | 50 |
| Lerm | 50 |
| Ludwig | 49 |
| Laas | 49 |
| Lakey | 49 |
| Limmer | 49 |
| Longley | 49 |
| Lupton | 49 |
| Lovegrove | 49 |
| Living | 48 |
| Luyt | 48 |
| Lala | 48 |
| Laughton | 47 |
| Lurie | 47 |
| Latief | 47 |
| Lyford | 46 |
| Laurent | 46 |
| Leibrandt | 46 |
| Luus | 46 |
| Lekalakala | 45 |
| Lennox | 45 |
| Landcorp | 44 |
| Ladbrook | 44 |
| Longstaff | 44 |
| Lineham | 43 |
| Littlewood | 43 |
| Lynskey | 42 |
| Leaf | 42 |
| Larkins | 41 |
| Linda | 41 |
| Lacy | 41 |
| Li | 41 |
| Liberty | 41 |
| Lindsey | 40 |
| Lockley | 40 |
| Lukas | 40 |
| Langford | 39 |
| Lever | 39 |
| Litchfield | 39 |
| Lincoln | 38 |
| Linklater | 38 |
| Lithgow | 38 |
| Lotriet | 38 |
| Lukhele | 38 |
| Lancaster | 38 |
| Lum | 37 |
| Langman | 37 |
| Lund | 37 |
| Liu | 37 |
| Lumley | 37 |
| Luo | 37 |
| Linwood | 37 |
| Llewellyn | 37 |
| Lopez | 37 |
| Lone | 36 |
| Lachman | 36 |
| Lipschitz | 36 |
| Leyland | 36 |
| Lavender | 36 |
| Lingen | 36 |
| Lalloo | 36 |
| Liquor | 35 |
| Liddington | 35 |
| Luck | 35 |
| Leishman | 35 |