| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Sagacad | city | Province of Zamboanga del Sur | Philippines | 7.6861111 | 123.3405556 | 649 | 20099 |
| Sagasan | city | Province of Zamboanga del Sur | Philippines | 7.6727778 | 123.4711111 | 0 | 10357 |
| Sagay | city | Province of Zamboanga del Sur | Philippines | 7.3872222 | 122.8419444 | 144 | 26877 |
| Sagucan | city | Province of Zamboanga del Sur | Philippines | 7.5405556 | 123.2225 | 3 | 15397 |
| Sagun | city | Province of Zamboanga del Sur | Philippines | 7.5169444 | 123.1741667 | 108 | 18531 |
| Sagwa | city | Province of Zamboanga del Sur | Philippines | 7.5936111 | 123.2425 | 1302 | 17701 |
| Salambuyan | city | Province of Zamboanga del Sur | Philippines | 7.6275 | 123.2205556 | 515 | 10052 |
| Salaogan | city | Province of Zamboanga del Sur | Philippines | 7.5366667 | 123.2675 | 0 | 18224 |
| Salinding | city | Province of Zamboanga del Sur | Philippines | 7.6763889 | 122.8541667 | 16 | 14904 |
| Salip | city | Province of Zamboanga del Sur | Philippines | 7.4416667 | 123.4438889 | 29 | 15539 |
| Saluwagan | city | Province of Zamboanga del Sur | Philippines | 7.5366667 | 123.2675 | 0 | 18224 |
| Samal | city | Province of Zamboanga del Sur | Philippines | 7.5833333 | 123.1333333 | 0 | 15472 |
| Sambulawan | city | Province of Zamboanga del Sur | Philippines | 7.5694444 | 123.3313889 | 19 | 32411 |
| San Augustin | city | Province of Zamboanga del Sur | Philippines | 7.765 | 123.4136111 | 39 | 18825 |
| San Isidro | city | Province of Zamboanga del Sur | Philippines | 7.6247222 | 122.3394444 | 679 | 18364 |
| San Isidro | city | Province of Zamboanga del Sur | Philippines | 7.5947222 | 122.89 | 331 | 19809 |
| San Isidro | city | Province of Zamboanga del Sur | Philippines | 7.705 | 123.2447222 | 980 | 8025 |
| San Isidro | city | Province of Zamboanga del Sur | Philippines | 7.5938889 | 123.2891667 | 587 | 26802 |
| San Isidro | city | Province of Zamboanga del Sur | Philippines | 8.1066667 | 123.4777778 | 39 | 45976 |
| San Jose | city | Province of Zamboanga del Sur | Philippines | 7.6922222 | 123.0533333 | 223 | 14654 |
| San Jose | city | Province of Zamboanga del Sur | Philippines | 7.7113889 | 123.1913889 | 931 | 18177 |
| San Miguel | city | Province of Zamboanga del Sur | Philippines | 7.6483333 | 123.2675 | 816 | 16420 |
| San Pablo | city | Province of Zamboanga del Sur | Philippines | 7.6563889 | 123.4608333 | 65 | 8183 |
| San Pedro | city | Province of Zamboanga del Sur | Philippines | 7.4830556 | 122.34 | 118 | 12528 |
| San Ramon | city | Province of Zamboanga del Sur | Philippines | 7.08333 | 121.9263889 | 748 | 45651 |
| San Ramon Penal Colony | city | Province of Zamboanga del Sur | Philippines | 7.08333 | 121.9263889 | 748 | 45651 |
| San Ramon Penal Farm | city | Province of Zamboanga del Sur | Philippines | 7.08333 | 121.9263889 | 748 | 45651 |
| San Roque | city | Province of Zamboanga del Sur | Philippines | 7.5163889 | 122.7991667 | 111 | 10887 |
| San Roque | city | Province of Zamboanga del Sur | Philippines | 7.5638889 | 123.2672222 | 1322 | 28024 |
| San Vicente | city | Province of Zamboanga del Sur | Philippines | 7.5380556 | 122.4247222 | 62 | 6921 |
| Sangali | city | Province of Zamboanga del Sur | Philippines | 7.0694444 | 122.2013889 | 0 | 41563 |
| Sanglupa | city | Province of Zamboanga del Sur | Philippines | 7.6333333 | 123.1833333 | 42 | 6410 |
| Sanito | city | Province of Zamboanga del Sur | Philippines | 7.7844444 | 122.5861111 | 45 | 13651 |
| Santa Clara Lumber Company | city | Province of Zamboanga del Sur | Philippines | 7.3777778 | 123.4508333 | 0 | 15700 |
| Santa Cruz | city | Province of Zamboanga del Sur | Philippines | 7.6513889 | 122.9972222 | 160 | 22639 |
| Santa Cruz | city | Province of Zamboanga del Sur | Philippines | 7.7163889 | 122.9988889 | 731 | 17963 |
| Santa Cruz | city | Province of Zamboanga del Sur | Philippines | 7.6455556 | 123.0230556 | 147 | 19307 |
| Santa Cruz | city | Province of Zamboanga del Sur | Philippines | 7.8594444 | 123.4586111 | 98 | 62470 |
| Sante Fe | city | Province of Zamboanga del Sur | Philippines | 7.6511111 | 122.9297222 | 78 | 19655 |
| Saobulan | city | Province of Zamboanga del Sur | Philippines | 7.7072222 | 123.4333333 | 1076 | 18798 |
| Sapa Manok | city | Province of Zamboanga del Sur | Philippines | 7.2097222 | 122.1875 | 538 | 41201 |
| Sapacalao | city | Province of Zamboanga del Sur | Philippines | 7.5091667 | 122.3997222 | 6 | 10373 |
| Sawa | city | Province of Zamboanga del Sur | Philippines | 7.3838889 | 122.8475 | 108 | 26877 |
| Sawa | city | Province of Zamboanga del Sur | Philippines | 7.3397222 | 122.9433333 | 3 | 15748 |
| Senior | city | Province of Zamboanga del Sur | Philippines | 7.6852778 | 123.4577778 | 269 | 18798 |
| Seres | city | Province of Zamboanga del Sur | Philippines | 7.4833333 | 123.25 | 0 | 7342 |
| Siay | city | Province of Zamboanga del Sur | Philippines | 7.6961111 | 122.8630556 | 19 | 14904 |
| Sibucao | city | Province of Zamboanga del Sur | Philippines | 7.7913889 | 123.3583333 | 561 | 16639 |
| Sibuguey | city | Province of Zamboanga del Sur | Philippines | 7.6705556 | 122.8511111 | 13 | 14904 |
| Sibuguey | city | Province of Zamboanga del Sur | Philippines | 7.6422222 | 122.9333333 | 275 | 19655 |
| Sibulao | city | Province of Zamboanga del Sur | Philippines | 7.3241667 | 122.2394444 | 262 | 51802 |
| Silican | city | Province of Zamboanga del Sur | Philippines | 7.5591667 | 122.4313889 | 68 | 11096 |
| Silingan | city | Province of Zamboanga del Sur | Philippines | 7.6841667 | 122.4802778 | 75 | 16795 |
| Siloh | city | Province of Zamboanga del Sur | Philippines | 7.7280556 | 122.8602778 | 36 | 12234 |
| Silupa | city | Province of Zamboanga del Sur | Philippines | 7.6833333 | 123.05 | 118 | 14654 |
| Silupa Ranch | city | Province of Zamboanga del Sur | Philippines | 7.6644444 | 123.0575 | 0 | 10670 |
| Simandal | city | Province of Zamboanga del Sur | Philippines | 7.1627778 | 122.2311111 | 331 | 39686 |
| Simbulalao | city | Province of Zamboanga del Sur | Philippines | 7.8994444 | 122.5802778 | 974 | 18338 |
| Sinolot | city | Province of Zamboanga del Sur | Philippines | 7.7 | 123.3294444 | 892 | 16727 |
| Sinoropan | city | Province of Zamboanga del Sur | Philippines | 7.4352778 | 122.3130556 | 111 | 31398 |
| Sinubong | city | Province of Zamboanga del Sur | Philippines | 7.0280556 | 121.9252778 | 36 | 40805 |
| Sinubung | city | Province of Zamboanga del Sur | Philippines | 7.0280556 | 121.9252778 | 36 | 40805 |
| Sinuropan | city | Province of Zamboanga del Sur | Philippines | 7.4352778 | 122.3130556 | 111 | 31398 |
| Sinusayan | city | Province of Zamboanga del Sur | Philippines | 7.5383333 | 123.0166667 | 3 | 8982 |
| Siotan | city | Province of Zamboanga del Sur | Philippines | 7.3669444 | 122.8841667 | 114 | 24724 |
| Sipatang Lower | city | Province of Zamboanga del Sur | Philippines | 7.8402778 | 123.3261111 | 1263 | 70637 |
| Sisikan | city | Province of Zamboanga del Sur | Philippines | 7.8091667 | 122.7122222 | 45 | 16142 |
| Sisip | city | Province of Zamboanga del Sur | Philippines | 7.5333333 | 122.9166667 | 0 | 12754 |
| Sitio Gudilog | city | Province of Zamboanga del Sur | Philippines | 7.5280556 | 123.3527778 | 118 | 19662 |
| Sitio Luribong | city | Province of Zamboanga del Sur | Philippines | 7.6805556 | 123.4144444 | 1246 | 21617 |
| Sitio Malangas Diot | city | Province of Zamboanga del Sur | Philippines | 7.6105556 | 123.0152778 | 82 | 16984 |
| Sitio Patao | city | Province of Zamboanga del Sur | Philippines | 7.5891667 | 122.7947222 | 0 | 12723 |
| Sitio Pling | city | Province of Zamboanga del Sur | Philippines | 7.7283333 | 123.0413889 | 810 | 19921 |
| Sitio Polison | city | Province of Zamboanga del Sur | Philippines | 7.5327778 | 123.1744444 | 291 | 18531 |
| Sitio Sibayat | city | Province of Zamboanga del Sur | Philippines | 7.6380556 | 122.8419444 | 26 | 17987 |
| Sitio Tigbalago | city | Province of Zamboanga del Sur | Philippines | 7.5755556 | 123.1311111 | 321 | 15472 |
| Song Lupa | city | Province of Zamboanga del Sur | Philippines | 7.6333333 | 123.1833333 | 42 | 6410 |
| Suba Nipa | city | Province of Zamboanga del Sur | Philippines | 7.3105556 | 122.8463889 | 0 | 20336 |
| Subay | city | Province of Zamboanga del Sur | Philippines | 7.4805556 | 123.1891667 | 0 | 8486 |
| Sugan | city | Province of Zamboanga del Sur | Philippines | 8.013889 | 123.4872222 | 603 | 43709 |
| Sugan | city | Province of Zamboanga del Sur | Philippines | 8.035 | 123.5586111 | 13 | 44109 |
| Sugbay | city | Province of Zamboanga del Sur | Philippines | 7.4805556 | 123.1891667 | 0 | 8486 |
| Sugbay | city | Province of Zamboanga del Sur | Philippines | 7.4872222 | 123.3225 | 275 | 15472 |
| Sugbay | city | Province of Zamboanga del Sur | Philippines | 7.5036111 | 123.3230556 | 232 | 23739 |
| Sugbay | city | Province of Zamboanga del Sur | Philippines | 7.4333333 | 123.3333333 | 203 | 10712 |
| Sugbay I | city | Province of Zamboanga del Sur | Philippines | 7.5036111 | 123.3230556 | 232 | 23739 |
| Sumalig | city | Province of Zamboanga del Sur | Philippines | 7.9972222 | 123.6641667 | 3 | 33763 |
| Sumang | city | Province of Zamboanga del Sur | Philippines | 7.4458333 | 122.3141667 | 124 | 31398 |
| Sumanga | city | Province of Zamboanga del Sur | Philippines | 7.4458333 | 122.3141667 | 124 | 31398 |
| Sumangul | city | Province of Zamboanga del Sur | Philippines | 7.4333333 | 122.9 | 127 | 14194 |
| Sumbang | city | Province of Zamboanga del Sur | Philippines | 7.4938889 | 122.3630556 | 78 | 12528 |
| Sumbato | city | Province of Zamboanga del Sur | Philippines | 7.5330556 | 123.3088889 | 45 | 23739 |
| Sumpot | city | Province of Zamboanga del Sur | Philippines | 7.4736111 | 123.3897222 | 0 | 15874 |
| Sumpotan | city | Province of Zamboanga del Sur | Philippines | 7.585 | 123.3 | 331 | 33262 |
| Sumulong | city | Province of Zamboanga del Sur | Philippines | 7.5552778 | 122.8702778 | 167 | 16845 |
| Sunacuya | city | Province of Zamboanga del Sur | Philippines | 7.72 | 122.9672222 | 118 | 17963 |
| Sungayon | city | Province of Zamboanga del Sur | Philippines | 7.5827778 | 123.3502778 | 3 | 27750 |
| Sunggoy | city | Province of Zamboanga del Sur | Philippines | 7.6797222 | 123.3705556 | 295 | 20099 |
| Surabay | city | Province of Zamboanga del Sur | Philippines | 7.66 | 122.4672222 | 85 | 11519 |
| Surabay | city | Province of Zamboanga del Sur | Philippines | 7.6683333 | 122.4752778 | 59 | 16795 |