| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Laekur | city | Iceland | 65.75 | -19.37 | 259 | 0 | |
| Lambanes | city | Iceland | 66.07 | -19.07 | 0 | 0 | |
| Lambanesreykir | city | Iceland | 66.08 | -19.07 | 137 | 0 | |
| Langamýri | city | Iceland | 65.57 | -19.43 | 26 | 120 | |
| Langhus | city | Iceland | 65.78 | -19.32 | 196 | 0 | |
| Langhus | city | Iceland | 66.07 | -19.13 | 75 | 0 | |
| Laufás | city | Iceland | 65.52 | -19.40 | 85 | 68 | |
| Laugaland | city | Iceland | 66.07 | -19.22 | 1522 | 0 | |
| Litla Brekka | city | Iceland | 65.93 | -19.40 | 190 | 172 | |
| Litla Grof | city | Iceland | 65.65 | -19.53 | 52 | 0 | |
| Litlidalur | city | Iceland | 65.45 | -19.25 | 232 | 0 | |
| Litlidalur | city | Iceland | 65.55 | -19.30 | 462 | 0 | |
| Litlihóll | city | Iceland | 65.77 | -19.33 | 367 | 0 | |
| Ljotsstadhir | city | Iceland | 65.90 | -19.33 | 295 | 14 | |
| Ljótsstaðir | city | Iceland | 65.90 | -19.33 | 295 | 14 | |
| Lon | city | Iceland | 65.73 | -19.40 | 157 | 0 | |
| Lonkot | city | Iceland | 66.00 | -19.40 | 301 | 0 | |
| Lundur | city | Iceland | 65.95 | -18.95 | 547 | 0 | |
| Lytingsstadhir | city | Iceland | 65.40 | -19.25 | 456 | 0 | |
| Lágimúli | city | Iceland | 66.00 | -19.97 | 16 | 0 | |
| Lækur | city | Iceland | 65.75 | -19.37 | 259 | 0 | |
| Lýtingsstaðir | city | Iceland | 65.40 | -19.25 | 456 | 0 |