| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Saenautasel | city | Iceland | 65.25 | -15.53 | 1899 | 0 | |
| Saevarendi | city | Iceland | 65.37 | -13.85 | 9 | 0 | |
| Sandbrekka | city | Iceland | 65.55 | -14.13 | 59 | 0 | |
| Saurbaer | city | Iceland | 66.08 | -15.17 | 124 | 0 | |
| Saurbær | city | Iceland | 66.08 | -15.17 | 124 | 0 | |
| Seljamyri | city | Iceland | 65.37 | -13.80 | 62 | 0 | |
| Selsstadhir | city | Iceland | 65.30 | -13.88 | 0 | 0 | |
| Selsstaðir | city | Iceland | 65.30 | -13.88 | 0 | 0 | |
| Setberg | city | Iceland | 65.27 | -14.50 | 324 | 261 | |
| Seydhisfjordhur | city | Iceland | 65.27 | -14.00 | 0 | 474 | |
| Seydisfjordhur | city | Iceland | 65.27 | -14.00 | 0 | 474 | |
| Seydisfjorður | city | Iceland | 65.27 | -14.00 | 0 | 474 | |
| Seyðisfjordhur | city | Iceland | 65.27 | -14.00 | 0 | 474 | |
| Seyðisfjörður | city | Iceland | 65.27 | -14.00 | 0 | 474 | |
| Sireksstadhir | city | Iceland | 65.63 | -15.00 | 193 | 0 | |
| Skalar | city | Iceland | 65.75 | -14.85 | 22 | 444 | |
| Skeggjastadhir | city | Iceland | 65.17 | -14.70 | 62 | 3 | |
| Skeggjastadhir | city | Iceland | 66.02 | -14.90 | 177 | 116 | |
| Skeggjastadhir | city | Iceland | 65.37 | -14.82 | 456 | 0 | |
| Skeggjastaðir | city | Iceland | 66.02 | -14.90 | 177 | 116 | |
| Skeggjastaðir | city | Iceland | 65.37 | -14.82 | 456 | 0 | |
| Skeggjastaðir | city | Iceland | 65.17 | -14.70 | 62 | 3 | |
| Skjalteinsstadhur | city | Iceland | 65.70 | -14.82 | 298 | 221 | |
| Skjalteinsstaður | city | Iceland | 65.70 | -14.82 | 298 | 221 | |
| Skjalteinstadhir | city | Iceland | 65.70 | -14.82 | 298 | 221 | |
| Skjalteinstaðir | city | Iceland | 65.70 | -14.82 | 298 | 221 | |
| Skjoldolfsstadhir | city | Iceland | 65.32 | -15.12 | 748 | 0 | |
| Skjöldólfsstaðir | city | Iceland | 65.32 | -15.12 | 748 | 0 | |
| Skogar | city | Iceland | 65.77 | -14.90 | 45 | 295 | |
| Skogargerdhi | city | Iceland | 65.35 | -14.42 | 62 | 58 | |
| Skogargerdhi | city | Iceland | 65.08 | -14.87 | 114 | 0 | |
| Skridhuklaustur | city | Iceland | 65.05 | -14.95 | 141 | 0 | |
| Skriðuklaustur | city | Iceland | 65.05 | -14.95 | 141 | 0 | |
| Skálanes | city | Iceland | 65.30 | -13.72 | 0 | 0 | |
| Skógargerði | city | Iceland | 65.08 | -14.87 | 114 | 0 | |
| Skógargerði | city | Iceland | 65.35 | -14.42 | 62 | 58 | |
| Sledhbrjotssel | city | Iceland | 65.60 | -14.53 | 301 | 0 | |
| Sledhbrjotur | city | Iceland | 65.57 | -14.50 | 121 | 0 | |
| Sleðbrjótssel | city | Iceland | 65.60 | -14.53 | 301 | 0 | |
| Sleðbrjótur | city | Iceland | 65.57 | -14.50 | 121 | 0 | |
| Snotrunes | city | Iceland | 65.55 | -13.82 | 3 | 0 | |
| Sorlastadhir | city | Iceland | 65.28 | -13.90 | 262 | 99 | |
| Staffell | city | Iceland | 65.28 | -14.52 | 390 | 155 | |
| Stakkahlid | city | Iceland | 65.37 | -13.87 | 32 | 0 | |
| Stakkahlidh | city | Iceland | 65.37 | -13.87 | 32 | 0 | |
| Stakkahlíð | city | Iceland | 65.37 | -13.87 | 32 | 0 | |
| Stebbagerdhi | city | Iceland | 65.67 | -14.45 | 42 | 0 | |
| Stebbagerði | city | Iceland | 65.67 | -14.45 | 42 | 0 | |
| Steinbogi | city | Iceland | 65.58 | -14.30 | 62 | 0 | |
| Steintún | city | Iceland | 66.05 | -14.75 | 511 | 0 | |
| Stora-Steinsvadh | city | Iceland | 65.48 | -14.37 | 29 | 0 | |
| Strandhofn | city | Iceland | 65.90 | -14.65 | 0 | 0 | |
| Stranðöfn | city | Iceland | 65.90 | -14.65 | 0 | 0 | |
| Straumur | city | Iceland | 65.43 | -14.38 | 39 | 0 | |
| Studhlafoss | city | Iceland | 65.17 | -15.28 | 1604 | 0 | |
| Sturluflot | city | Iceland | 64.93 | -15.07 | 351 | 1 | |
| Stuðlafoss | city | Iceland | 65.17 | -15.28 | 1604 | 0 | |
| Stóra-Steinsvað | city | Iceland | 65.48 | -14.37 | 29 | 0 | |
| Stóri-Bakki | city | Iceland | 65.48 | -14.55 | 167 | 0 | |
| Sunnudalur | city | Iceland | 65.63 | -14.98 | 295 | 0 | |
| Svinabakkar | city | Iceland | 65.70 | -14.85 | 101 | 263 | |
| Svínafell | city | Iceland | 65.52 | -14.20 | 127 | 0 | |
| Sydhri-Vik | city | Iceland | 65.72 | -14.80 | 170 | 216 | |
| Syðri-Vík | city | Iceland | 65.72 | -14.80 | 170 | 216 | |
| Sænautasel | city | Iceland | 65.25 | -15.53 | 1899 | 0 | |
| Sævarendi | city | Iceland | 65.37 | -13.85 | 9 | 0 | |
| Síreksstaðir | city | Iceland | 65.63 | -15.00 | 193 | 0 | |
| Sóleyjarvellir | city | Iceland | 66.13 | -15.17 | 65 | 0 | |
| Sörlastaðir | city | Iceland | 65.28 | -13.90 | 262 | 99 |