| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Ol-og | city | Biliran | Philippines | 11.78 | 124.31 | 262 | 8284 |
| Olabe | city | Siquijor | Philippines | 9.25 | 123.64 | 193 | 18793 |
| Olag Pequeño | city | Camarines Sur | Philippines | 13.82 | 123.37 | 219 | 26302 |
| Olagbent | city | Davao del Sur | Philippines | 6.36 | 125.27 | 324 | 14025 |
| Olalo | city | Capiz | Philippines | 11.44 | 123.00 | 944 | 47206 |
| Olamian | city | Cotabato | Philippines | 7.31 | 124.49 | 318 | 26956 |
| Olandia | city | Sorsogon | Philippines | 12.83 | 124.10 | 259 | 37937 |
| Olanen | city | Pangasinan | Philippines | 16.24 | 119.78 | 364 | 19704 |
| Olang | city | Siquijor | Philippines | 9.21 | 123.67 | 3 | 11423 |
| Olango | city | Iloilo | Philippines | 10.71 | 122.18 | 830 | 44035 |
| Olango | city | Cebu | Philippines | 10.19 | 123.58 | 387 | 48041 |
| Olango | city | Romblon | Philippines | 12.39 | 122.52 | 124 | 9301 |
| Olango | city | Isabela | Philippines | 17.20 | 121.63 | 177 | 21160 |
| Olanin | city | Pangasinan | Philippines | 16.24 | 119.78 | 364 | 19704 |
| Olas | city | Camarines Sur | Philippines | 13.92 | 123.45 | 19 | 10560 |
| Olas | city | Maguindanao | Philippines | 7.33 | 124.34 | 200 | 50458 |
| Olas | city | Davao | Philippines | 7.05 | 125.55 | 9 | 264669 |
| Olasi | city | Palawan | Philippines | 12.00 | 120.31 | 0 | 1940 |
| Olave | city | Siquijor | Philippines | 9.25 | 123.64 | 193 | 18793 |
| Olay | city | Negros Oriental | Philippines | 10.36 | 123.30 | 164 | 27278 |
| Olayan | city | Samar | Philippines | 11.55 | 124.90 | 101 | 14373 |
| Olaycon | city | Compostela Valley | Philippines | 7.79 | 126.02 | 242 | 19834 |
| Olayon | city | Compostela Valley | Philippines | 7.79 | 126.02 | 242 | 19834 |
| Olbuhan | city | Bohol | Philippines | 9.63 | 124.34 | 0 | 13593 |
| Old Angadanan | city | Nueva Vizcaya | Philippines | 16.50 | 121.23 | 830 | 64020 |
| Old Balugo | city | Samar | Philippines | 11.91 | 124.82 | 167 | 19927 |
| Old Cabalan | city | Olongapo | Philippines | 14.84 | 120.31 | 328 | 132931 |
| Old Carmen | city | Cebu | Philippines | 10.59 | 124.02 | 3 | 49605 |
| Old Central | city | La Union | Philippines | 16.90 | 120.49 | 328 | 33675 |
| Old Centro | city | La Union | Philippines | 16.90 | 120.49 | 328 | 33675 |
| Old Centro Dos | city | Isabela | Philippines | 16.89 | 121.57 | 259 | 18530 |
| Old Centro Primero | city | Isabela | Philippines | 16.89 | 121.56 | 259 | 18530 |
| Old Centro Segundo | city | Isabela | Philippines | 16.89 | 121.57 | 259 | 18530 |
| Old Centro Uno | city | Isabela | Philippines | 16.89 | 121.56 | 259 | 18530 |
| Old Clavijo | city | Agusan del Sur | Philippines | 8.18 | 125.98 | 59 | 10010 |
| Old Cosina | city | Bukidnon | Philippines | 8.15 | 124.70 | 3349 | 8454 |
| Old Dagupan | city | Kalinga | Philippines | 17.44 | 121.45 | 830 | 12368 |
| Old Escalante | city | Negros Occidental | Philippines | 10.84 | 123.55 | 3 | 28159 |
| Old Guinlo | city | Palawan | Philippines | 10.71 | 119.48 | 157 | 4623 |
| Old Gumiad | city | Quirino | Philippines | 16.17 | 121.42 | 3349 | 1788 |
| Old Kabacan | city | Cotabato | Philippines | 7.14 | 124.82 | 65 | 27965 |
| Old Kawelihan | city | Bukidnon | Philippines | 8.05 | 124.74 | 4189 | 8046 |
| Old Kidapawan | city | Cotabato | Philippines | 7.02 | 125.12 | 1669 | 41984 |
| Old Landang | city | Bukidnon | Philippines | 8.03 | 124.71 | 3776 | 8046 |
| Old Mahayag | city | Samar | Philippines | 11.84 | 124.82 | 160 | 26613 |
| Old Manticao | city | Misamis Oriental | Philippines | 8.40 | 124.28 | 62 | 15045 |
| Old Manunca | city | Samar | Philippines | 11.44 | 125.02 | 167 | 15419 |
| Old Maritao | city | Zamboanga del Sur | Philippines | 7.66 | 123.34 | 200 | 25337 |
| Old Mobo | city | Masbate | Philippines | 12.33 | 123.67 | 72 | 51891 |
| Old Pandanon | city | Negros Occidental | Philippines | 10.57 | 123.18 | 1669 | 13447 |
| Old Rizal | city | Northern Samar | Philippines | 12.51 | 124.59 | 72 | 7350 |
| Old Rosario | city | Batangas | Philippines | 13.85 | 121.20 | 830 | 42929 |
| Old Sagay | city | Negros Occidental | Philippines | 10.93 | 123.43 | 42 | 25707 |
| Old Salaman | city | Sultan Kudarat | Philippines | 6.63 | 124.06 | 29 | 19910 |
| Old San Agustin | city | Samar | Philippines | 11.33 | 125.10 | 101 | 6520 |
| Old San Antonio | city | Sorsogon | Philippines | 12.70 | 124.13 | 3 | 15980 |
| Old San Jose | city | Bataan | Philippines | 14.89 | 120.47 | 88 | 90648 |
| Old San Mariano | city | Isabela | Philippines | 16.99 | 122.00 | 298 | 14252 |
| Old San Pablo | city | Isabela | Philippines | 17.45 | 121.80 | 209 | 14737 |
| Old San Remigio | city | Antique | Philippines | 10.84 | 122.08 | 380 | 16438 |
| Old Saniga | city | Mandaluyong | Philippines | 14.58 | 121.03 | 98 | 1646572 |
| Old Santa Cruz | city | Samar | Philippines | 11.91 | 124.82 | 167 | 19927 |
| Old Santa Lucia | city | Nueva Ecija | Philippines | 15.48 | 120.77 | 68 | 45756 |
| Old Santo Rosario | city | Pampanga | Philippines | 15.45 | 120.78 | 65 | 45631 |
| Old Tarazona | city | Negros Occidental | Philippines | 9.89 | 122.89 | 830 | 32962 |
| Old Tolong | city | Negros Oriental | Philippines | 9.35 | 122.83 | 26 | 8762 |
| Old Town | city | Bohol | Philippines | 9.83 | 124.33 | 830 | 34480 |
| Old Town Sierra Bullones | city | Bohol | Philippines | 9.74 | 124.35 | 1669 | 29629 |
| Old Verdu | city | Agusan del Sur | Philippines | 8.70 | 125.71 | 72 | 10573 |
| Old Zañiga | city | Mandaluyong | Philippines | 14.58 | 121.03 | 98 | 1646572 |
| Olea | city | Pangasinan | Philippines | 15.86 | 120.49 | 49 | 81982 |
| Olera | city | Samar | Philippines | 12.07 | 124.58 | 0 | 36529 |
| Olera | city | Samar | Philippines | 12.19 | 124.74 | 331 | 20768 |
| Oleras | city | Northern Samar | Philippines | 12.45 | 125.04 | 3 | 22237 |
| Olicasto | city | Batangas | Philippines | 13.90 | 120.88 | 0 | 61337 |
| Olimbo | city | Negros Oriental | Philippines | 9.47 | 122.77 | 830 | 18423 |
| Olimbo Hacienda | city | Negros Occidental | Philippines | 10.26 | 122.98 | 62 | 38688 |
| Olimpia | city | Makati | Philippines | 14.57 | 121.02 | 98 | 1668214 |
| Olimpia | city | Negros Oriental | Philippines | 9.62 | 123.15 | 0 | 22394 |
| Olinao | city | Cagayan | Philippines | 17.66 | 121.73 | 246 | 116409 |
| Olingan | city | Abra | Philippines | 17.48 | 120.63 | 849 | 15816 |
| Olingan | city | Zamboanga del Norte | Philippines | 8.54 | 123.32 | 19 | 38360 |
| Olintago | city | Benguet | Philippines | 16.59 | 120.96 | 4189 | 3042 |
| Olioeg | city | Nueva Vizcaya | Philippines | 16.40 | 120.95 | 4189 | 6802 |
| Olisijan | city | Southern Leyte | Philippines | 10.38 | 124.98 | 0 | 26253 |
| Olituo | city | Pangasinan | Philippines | 15.82 | 120.48 | 42 | 71022 |
| Olivares South Homes | city | Laguna | Philippines | 14.31 | 121.07 | 78 | 857571 |
| Olivarez Subdivision Phase Sexto | city | Laguna | Philippines | 14.36 | 121.05 | 62 | 1099976 |
| Olivete | city | Nueva Ecija | Philippines | 15.62 | 121.21 | 318 | 10258 |
| Olivo | city | Cebu | Philippines | 10.87 | 123.88 | 88 | 11728 |
| Olla | city | Laguna | Philippines | 14.16 | 121.45 | 830 | 75119 |
| Ollao | city | Pangasinan | Philippines | 16.05 | 119.80 | 154 | 23394 |
| Ollio-ilio | city | Pangasinan | Philippines | 15.96 | 119.77 | 49 | 9375 |
| Olmo | city | Negros Occidental | Philippines | 10.22 | 122.94 | 39 | 47954 |
| Olo | city | Pangasinan | Philippines | 15.77 | 120.32 | 91 | 42557 |
| Olo | city | Siquijor | Philippines | 9.22 | 123.52 | 301 | 17088 |
| Olo | city | Abra | Philippines | 17.46 | 120.59 | 830 | 14764 |
| Olo Cacamposan | city | Pangasinan | Philippines | 15.77 | 120.32 | 91 | 42557 |
| Olo Cafabrosan | city | Pangasinan | Philippines | 15.77 | 120.32 | 91 | 42557 |
| Olo Cagarlitan | city | Pangasinan | Philippines | 15.78 | 120.33 | 68 | 44815 |
| Olo Pangabat | city | Capiz | Philippines | 11.35 | 122.42 | 830 | 6109 |
| Olo-Baroc | city | Iloilo | Philippines | 10.68 | 122.37 | 6 | 43347 |
| Olo-Olo Norte | city | Ilocos Sur | Philippines | 17.28 | 120.45 | 114 | 33080 |
| Olo-Olo Sur | city | Ilocos Sur | Philippines | 17.27 | 120.45 | 246 | 32200 |
| Olo-olo | city | Ilocos Sur | Philippines | 17.28 | 120.45 | 114 | 33080 |
| Olo-olo | city | Batangas | Philippines | 13.64 | 121.23 | 101 | 14487 |
| Oloc | city | Antique | Philippines | 11.13 | 122.04 | 111 | 6815 |
| Ololinoan | city | Abra | Philippines | 17.44 | 120.62 | 830 | 10730 |
| Olongapo | city | Olongapo | Philippines | 14.84 | 120.29 | 190 | 111556 |
| Olongapo City | city | Olongapo | Philippines | 14.84 | 120.29 | 190 | 111556 |
| Olongapo Lakanbalen | city | Olongapo | Philippines | 14.84 | 120.29 | 190 | 111556 |
| Olongo | city | Iloilo | Philippines | 10.71 | 122.18 | 830 | 44035 |
| Olongtao | city | Quezon | Philippines | 13.74 | 122.18 | 160 | 19838 |
| Olongtauo Ibaba | city | Quezon | Philippines | 13.74 | 122.18 | 160 | 19838 |
| Olongtauo Ibaba | city | Quezon | Philippines | 13.76 | 122.22 | 331 | 21142 |
| Olongtauo Ilaya | city | Quezon | Philippines | 13.77 | 122.21 | 357 | 23561 |
| Olontano | city | Quezon | Philippines | 13.72 | 122.15 | 3 | 13320 |
| Olorga | city | Palawan | Philippines | 8.22 | 117.12 | 0 | 1358 |
| Olotayan | city | Capiz | Philippines | 11.63 | 122.83 | 0 | 10972 |
| Oloybuaya | city | Tarlac | Philippines | 15.64 | 120.62 | 65 | 103911 |
| Oluangan | city | Iloilo | Philippines | 10.82 | 122.37 | 830 | 30661 |
| Olutanga | city | Zamboanga Sibugay | Philippines | 7.31 | 122.85 | 0 | 24066 |
| Olutanga | city | Zamboanga Sibugay | Philippines | 7.43 | 122.90 | 127 | 15072 |
| Olyaoyao | city | Albay | Philippines | 13.10 | 123.47 | 367 | 46919 |
| Olympia | city | Makati | Philippines | 14.57 | 121.02 | 98 | 1668214 |
| Olympog | city | South Cotabato | Philippines | 6.22 | 125.19 | 410 | 95980 |