| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Saelingsdalstunga | city | Iceland | 65.25 | -21.78 | 246 | 0 | |
| Saelingsdalur | city | Iceland | 65.28 | -21.87 | 475 | 0 | |
| Samsstadhir | city | Iceland | 65.18 | -21.50 | 308 | 0 | |
| Saudhafell | city | Iceland | 65.02 | -21.63 | 360 | 0 | |
| Saudhhus | city | Iceland | 65.10 | -21.72 | 465 | 221 | |
| Saurar | city | Iceland | 65.08 | -21.75 | 659 | 241 | |
| Saurholl | city | Iceland | 65.38 | -21.93 | 26 | 0 | |
| Saurstadhir | city | Iceland | 65.05 | -21.52 | 918 | 0 | |
| Saurstaðir | city | Iceland | 65.05 | -21.52 | 918 | 0 | |
| Sauðafell | city | Iceland | 65.02 | -21.63 | 360 | 0 | |
| Sauðhús | city | Iceland | 65.10 | -21.72 | 465 | 221 | |
| Seljaland | city | Iceland | 64.97 | -21.75 | 131 | 0 | |
| Selárdalur | city | Iceland | 64.98 | -21.85 | 321 | 0 | |
| Skallholl | city | Iceland | 64.97 | -21.58 | 570 | 0 | |
| Skardh | city | Iceland | 65.07 | -21.32 | 787 | 0 | |
| Skardh | city | Iceland | 65.28 | -22.32 | 308 | 0 | |
| Skardhsstod | city | Iceland | 65.28 | -22.37 | 0 | 0 | |
| Skardhsstodh | city | Iceland | 65.28 | -22.37 | 0 | 0 | |
| Skardstod | city | Iceland | 65.28 | -22.37 | 0 | 0 | |
| Skarfsstadhir | city | Iceland | 65.18 | -21.85 | 223 | 0 | |
| Skarfsstaðir | city | Iceland | 65.18 | -21.85 | 223 | 0 | |
| Skarð | city | Iceland | 65.28 | -22.32 | 308 | 0 | |
| Skarð | city | Iceland | 65.07 | -21.32 | 787 | 0 | |
| Skarðsstöd | city | Iceland | 65.28 | -22.37 | 0 | 0 | |
| Skarðsstöð | city | Iceland | 65.28 | -22.37 | 0 | 0 | |
| Skerdhingsstadhir | city | Iceland | 65.22 | -21.80 | 134 | 0 | |
| Skerðingsstaðir | city | Iceland | 65.22 | -21.80 | 134 | 0 | |
| Skogar | city | Iceland | 65.13 | -22.12 | 351 | 0 | |
| Skogskot | city | Iceland | 65.03 | -21.68 | 101 | 0 | |
| Skogsmuli | city | Iceland | 65.08 | -21.65 | 659 | 0 | |
| Skordh | city | Iceland | 65.00 | -21.68 | 518 | 0 | |
| Skorravik | city | Iceland | 65.12 | -22.07 | 88 | 0 | |
| Skridhukot | city | Iceland | 65.07 | -21.53 | 551 | 0 | |
| Skriðukot | city | Iceland | 65.07 | -21.53 | 551 | 0 | |
| Skálatóftir | city | Iceland | 65.25 | -22.42 | 52 | 0 | |
| Skörð | city | Iceland | 65.00 | -21.68 | 518 | 0 | |
| Smyrlahóll | city | Iceland | 65.07 | -21.40 | 459 | 0 | |
| Snoksdalur | city | Iceland | 65.02 | -21.73 | 413 | 0 | |
| Snóksdolur | city | Iceland | 65.02 | -21.73 | 413 | 0 | |
| Solheimar | city | Iceland | 65.22 | -21.38 | 387 | 0 | |
| Spagilsstadhir | city | Iceland | 65.13 | -21.67 | 118 | 9 | |
| Spágilsstaðir | city | Iceland | 65.13 | -21.67 | 118 | 9 | |
| Stadarfell | city | Iceland | 65.12 | -22.20 | 0 | 0 | |
| Stadharfell | city | Iceland | 65.12 | -22.20 | 0 | 0 | |
| Stadharholl | city | Iceland | 65.37 | -21.92 | 600 | 0 | |
| Stadharholskirkja | city | Iceland | 65.38 | -21.92 | 22 | 0 | |
| Stakkaberg | city | Iceland | 65.18 | -22.43 | 59 | 0 | |
| Staðarfell | city | Iceland | 65.12 | -22.20 | 0 | 0 | |
| Staðarhóll | city | Iceland | 65.37 | -21.92 | 600 | 0 | |
| Staðarhólskirkja | city | Iceland | 65.38 | -21.92 | 22 | 0 | |
| Stora Tunga | city | Iceland | 65.17 | -22.30 | 711 | 0 | |
| Stora-Holt | city | Iceland | 65.40 | -21.90 | 91 | 0 | |
| Stori Skogur | city | Iceland | 65.05 | -21.68 | 370 | 0 | |
| Stori-Muli | city | Iceland | 65.37 | -21.90 | 223 | 0 | |
| Stóra-Vatnshorn | city | Iceland | 65.07 | -21.55 | 652 | 0 | |
| Stóri Galtardalur | city | Iceland | 65.18 | -22.27 | 1076 | 0 | |
| Svalbardhi | city | Iceland | 65.03 | -21.62 | 426 | 0 | |
| Svalbarði | city | Iceland | 65.03 | -21.62 | 426 | 0 | |
| Svalhofdhi | city | Iceland | 65.22 | -21.40 | 410 | 0 | |
| Svalhöfði | city | Iceland | 65.22 | -21.40 | 410 | 0 | |
| Svarfhóll | city | Iceland | 64.98 | -21.57 | 249 | 0 | |
| Svarfhóll | city | Iceland | 65.15 | -21.58 | 288 | 0 | |
| Svinaskogur | city | Iceland | 65.15 | -22.20 | 262 | 0 | |
| Svínhóll | city | Iceland | 65.03 | -21.60 | 574 | 0 | |
| Sydhra Skogskot | city | Iceland | 65.03 | -21.68 | 101 | 0 | |
| Syðra Skógskot | city | Iceland | 65.03 | -21.68 | 101 | 0 | |
| Sámsstaðir | city | Iceland | 65.18 | -21.50 | 308 | 0 | |
| Sælingsdalstunga | city | Iceland | 65.25 | -21.78 | 246 | 0 | |
| Sælingsdalur | city | Iceland | 65.28 | -21.87 | 475 | 0 |