| Name | Gender | Appearances | Top Performance |
|---|---|---|---|
| Sarah Lockwood | Female | 7 | 1st |
| Andy Logue | Male | 22 | 3rd |
| Cohen Logue | Male | 1 | 1st |
| Johnny Long | Male | 2 | 22nd |
| Rich Long | Male | 1 | 63rd |
| Simon Longdill | Male | 5 | 2nd |
| Patrick Looney | Male | 1 | 24th |
| Ryan Lopes | Male | 1 | 30th |
| Roger López Devesa | Male | 1 | 100th |
| David Lorenzo Romero | Male | 1 | 63rd |
| Double Lorraine Mellors | Male | 1 | 42nd |
| Team Lost Some Were | Male | 1 | 25th |
| Eric Lou | Male | 2 | 1st |
| Peter Low | Male | 1 | 23rd |
| Tom Lowe | Male | 1 | 9th |
| Yu-Shen Lu | Male | 1 | 36th |
| Jake Lucas | Male | 1 | 24th |
| Miranda Luddington | Female | 2 | 63rd |
| Geoff Ludemann | Male | 1 | 54th |
| Blake Luff | Male | 2 | 16th |
Retrieving Competitors