| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Nabaculan | city | Province of Isabela | Philippines | 16.9741667 | 121.8941667 | 164 | 38271 |
| Nabbuan | city | Province of Isabela | Philippines | 16.6691667 | 121.6122222 | 328 | 47285 |
| Nacampaegan | city | Province of Isabela | Philippines | 16.9608333 | 121.8161111 | 124 | 46351 |
| Nacampegan | city | Province of Isabela | Philippines | 16.9608333 | 121.8161111 | 124 | 46351 |
| Naccampegan | city | Province of Isabela | Philippines | 16.9608333 | 121.8161111 | 124 | 46351 |
| Naganacan | city | Province of Isabela | Philippines | 17.4666667 | 121.6833333 | 160 | 21008 |
| Nagbacalan | city | Province of Isabela | Philippines | 16.8030556 | 121.5736111 | 259 | 49951 |
| Nagbalayan Aguinaldo | city | Province of Isabela | Philippines | 16.9377778 | 121.9344444 | 164 | 33013 |
| Nagbalayan ni Aguinaldo | city | Province of Isabela | Philippines | 16.9377778 | 121.9344444 | 164 | 33013 |
| Nagbalayan ni Aquinaldo | city | Province of Isabela | Philippines | 16.9377778 | 121.9344444 | 164 | 33013 |
| Nagrumboan | city | Province of Isabela | Philippines | 16.9022222 | 121.7108333 | 183 | 45988 |
| Nagrumboan | city | Province of Isabela | Philippines | 17.9333333 | 121.7666667 | 252 | 15655 |
| Naguihan | city | Province of Isabela | Philippines | 17.0266667 | 121.835 | 154 | 42205 |
| Naguilan | city | Province of Isabela | Philippines | 17.0266667 | 121.835 | 154 | 42205 |
| Naguilian | city | Province of Isabela | Philippines | 17.0266667 | 121.835 | 154 | 42205 |
| Naguilian | city | Province of Isabela | Philippines | 17.1644444 | 121.8680556 | 154 | 24520 |
| Naguillian | city | Province of Isabela | Philippines | 17.0266667 | 121.835 | 154 | 42205 |
| Namakalan | city | Province of Isabela | Philippines | 17.1038889 | 121.6130556 | 236 | 43108 |
| Namipucan | city | Province of Isabela | Philippines | 17.0225 | 121.6938889 | 157 | 40215 |
| Namnama | city | Province of Isabela | Philippines | 16.9186111 | 121.6508333 | 213 | 51109 |
| Namobocan | city | Province of Isabela | Philippines | 16.8405556 | 121.8058333 | 137 | 35294 |
| Nanaguan | city | Province of Isabela | Philippines | 17.1333333 | 121.95 | 285 | 24145 |
| Nanatuan | city | Province of Isabela | Philippines | 17.1938889 | 121.8983333 | 311 | 24996 |
| Nangnungan | city | Province of Isabela | Philippines | 16.8691667 | 121.7361111 | 177 | 44933 |
| Napaliong | city | Province of Isabela | Philippines | 16.5427778 | 121.8155556 | 416 | 12363 |
| Nappaccu Grande | city | Province of Isabela | Philippines | 16.9905556 | 121.7938889 | 134 | 46351 |
| Nappaccu Pequeno | city | Province of Isabela | Philippines | 16.9730556 | 121.7847222 | 154 | 44501 |
| Nappaccu Pequeño | city | Province of Isabela | Philippines | 16.9730556 | 121.7847222 | 154 | 44501 |
| Nappaceu Grande | city | Province of Isabela | Philippines | 16.9905556 | 121.7938889 | 134 | 46351 |
| Narien | city | Province of Isabela | Philippines | 16.4258333 | 121.7916667 | 626 | 4321 |
| Nasipa | city | Province of Isabela | Philippines | 16.9833333 | 122.25 | 1978 | 3080 |
| Nasupa | city | Province of Isabela | Philippines | 16.9833333 | 122.25 | 1978 | 3080 |
| Natorosuan | city | Province of Isabela | Philippines | 17.15 | 121.5666667 | 308 | 22480 |
| Natorsuan | city | Province of Isabela | Philippines | 17.15 | 121.5666667 | 308 | 22480 |
| Nemmatan | city | Province of Isabela | Philippines | 16.5258333 | 121.7272222 | 377 | 11281 |
| Ngarag | city | Province of Isabela | Philippines | 17.4333333 | 121.7666667 | 141 | 21259 |
| Ngarap | city | Province of Isabela | Philippines | 17.4333333 | 121.7666667 | 141 | 21259 |
| Ninante | city | Province of Isabela | Philippines | 16.8994444 | 121.7627778 | 167 | 39322 |
| Nunungan | city | Province of Isabela | Philippines | 16.9 | 121.7166667 | 180 | 45988 |
| Nunuñgan | city | Province of Isabela | Philippines | 16.9 | 121.7166667 | 180 | 45988 |
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