| N of Quatretonda: Spain, Valencia | Campaniense | — | Comunitat Valenciana |
| N-420 Road Section. Corral de Calatrava. 200 meters | Bohdalec | Bancos Mixtos | Castilla-La Mancha |
| N-420 Road Section. Corral de Calatrava. 280 meters | Bohdalec | Bancos Mixtos | Castilla-La Mancha |
| N-420 Road Section. Corral de Calatrava. Corral de Calatrava. 225 meters | Bohdalec | Bancos Mixtos | Castilla-La Mancha |
| N-420 Road Section. Corral de Calatrava. Corral de Calatrava. 240 meters | Bohdalec | Bancos Mixtos | Castilla-La Mancha |
| Na Negra | Mioceno superior | — | Illes Balears |
| Navarra - Aristregui | Daniense | Cabo de Lata | Cantabria |
| Navarra - Erice | Daniense | Cabo de Lata | Cantabria |
| Navarra - Sarasate | Maastrichtiense | Cabo de Lata | Cantabria |
| Navarra Casas de Oraien | Thanetiense | Cabo de Lata | Cantabria |
| Navarra Larumbe | Thanetiense | Cabo de Lata | Cantabria |
| Navarra Olazaguitia Pass pt 1 | Maastrichtiense | Cabo de Lata | Cantabria |
| Navarra Olazaguitia Pass pt 2 | Maastrichtiense | Cabo de Lata | Cantabria |
| Navarra Olazaguitia Pass pt 3 | Maastrichtiense | Cabo de Lata | Cantabria |
| Navarra Olazaguitia Pass pt 4 | Maastrichtiense | Cabo de Lata | Cantabria |
| Navarra Olazaguitia Pass pt 5 | Maastrichtiense | Cabo de Lata | Cantabria |
| Navarra Olazaguitia Pass pt 6 | Maastrichtiense | Cabo de Lata | Cantabria |
| Navatrasierra NaIa | Llandeilo | Rio-Schiefer | — |
| Navatrasierra NaIb | Llanvirn | Rio-Schiefer | — |
| Navatrasierra NaII | Llanvirn | Rio-Schiefer | — |
| Navatrasierra NaIII | Llanvirn | Rio-Schiefer | — |
| Navatrasierra NaIV | Llandeilo | Untere Quartzite | — |
| Navatrasierra NaIX | Llanvirn superior | La Cierva Quartzite | — |
| Navatrasierra NaV | Llanvirn | Rio-Schiefer | — |
| Navatrasierra NaVI | Llandeilo | Untere Quartzite | — |
| Navatrasierra NaVIII | Llanvirn | Rio-Schiefer | — |
| Navatrasierra, Las Majuelas Quartzite argillite, Guadarranque syncline | Hirnantiense | Gualija | Extremadura |
| NE La Robla, E side Canalón Brook, 1 km SW of Genicera | Ivoriense | Vegamian | Castilla y León |
| NE of Peña de la Cruz | Zona Bucklandi | — | — |
| NE-IIA. 5600 m SE of Navas de Estena | Dobrotiviense | Navas de Estena | Castilla-La Mancha |
| NE-IIIA. 5600 m SE of Navas de Estena | Dobrotiviense | Navas de Estena | Castilla-La Mancha |
| NE-IV. SE of Navas de Estena | Dobrotiviense | Navas de Estena | Castilla-La Mancha |
| NE-VIIc. Navas de Estena | Oretaniense | Navas de Estena | Castilla-La Mancha |
| Near Alanis, Sierra Morena Oriental | Botomiense | Alanis | Andalucía |
| Near Apellaniz | Campaniense | — | — |
| Near Collada del Campo de la Puerta, La Vid Formation, Sample RGM 211 542 | Emsiense | Esla | — |
| Near Cortijos de Malagón, Montes de Toledo | Toyoniense | Los Cortijos | — |
| Near Korres | Campaniense | — | — |
| Near village Villayandre, Marl Unit, Esla Fm, Sample GZG.IN.0.010.529 | Emsiense | Esla | — |
| Necrópolis de Revenga tracksite | Cretácico inferior | — | Castilla y León |
| Ni.17, Nidáguila | Coniaciense inferior | Villaescusa | — |
| Ni.18, Nidáguila | Coniaciense inferior | Villaescusa | — |
| Ni.19, Nidáguila | Coniaciense inferior | Villaescusa | — |
| Ni.23, Nidáguila | Coniaciense inferior | Villaescusa | — |
| Ni.29, Nidáguila | Coniaciense inferior | Villaescusa | — |
| Nidaguila | Coniaciense superior | Margas y Calizas Margosas de Nidaguila | — |
| Niebla, Guadalquivir Basin | Tortoniense | Niebla Calcarenite | — |
| Niebla-Cabezo de las Cruces | Zancliense | Arenas de Huelva | Andalucía |
| Nijar, Almeria, distal slope | Tortoniense | — | — |
| Nijar, Almeria, proximal slope | Tortoniense | — | — |
| Nijar, Almeria, reef-core | Tortoniense | — | — |
| Nijar, Almeria, reef-talus slope | Tortoniense | — | — |
| Nivel Ferruginizado, Bielba, northern Cantabria (late Cenomanian) | Cenomaniense superior | Altamira | — |
| Nivel X, Los Valles de Fuentiduenya (Segovia) | Vallesiense | — | Castilla y León |
| Nivel Y, Los Valles de Fuentiduenya (Segovia) | Vallesiense | — | Castilla y León |
| Noceco, near Villasana de Mena | Cenomaniense inferior | — | Castilla y León |
| Nogales hacia Santa Marta | Atdabaniense | Herrería | — |
| Nogueras Fmn, submember d3a-beta | Praguiense | Nogueras | — |
| Nombrevilla | Vallesiense | — | Aragón |
| Norets | Maastrichtiense inferior | La Posa | Cataluña |
| North of Camarasa, bed 12 | Zona Jamesoni | Escales | — |
| North of Camarasa, bed 13 | Zona Ibex | Escales | — |
| North of Camarasa, bed 15 | Zona Davoei | Escales | — |
| North of Camarasa, bed 17 | Zona Davoei | Escales | — |
| North of Camarasa, bed 18 | Zona Margaritatus | Escales | — |
| North of Camarasa, bed 23 | Zona Spinatum | Escales | — |
| North of Camarasa, bed 25 | Zona Spinatum | Barre a Pecten | — |
| North of Camarasa, bed 29 | Zona Falciferum | Padrinas | — |
| North of Camarasa, bed 30 | Zona Falciferum | Padrinas | — |
| North of Camarasa, bed 50 | Zona Opalinum | Santa Linya | — |
| North of Camarasa, section 2, bed 22 | Zona Tenuicostatum | Padrinas | — |
| North of Camarasa, section 2, bed 24 | Zona Tenuicostatum | Padrinas | — |
| North of Camarasa, section 2, bed 27 | Zona Tenuicostatum | Padrinas | — |
| North of Camarasa, section 2, bed 28 | Zona Tenuicostatum | Padrinas | — |
| North of Camarasa, section 2, bed 29 | Zona Falciferum | Padrinas | — |
| North of Camarasa, section 3, bed 35 | Zona Bifrons | Padrinas | — |
| North of Castellar de Santisteban | Dobrotiviense | Botella Quartzite | Andalucía |
| North of col de Peralba, bed 6, Santa Maria de Meià | Zona Margaritatus | Escales | — |
| North of col de Peralba, bed 7, Santa Maria de Meià | Zona Ibex | Escales | — |
| North of col de Peralba, bed 8, Santa Maria de Meià | Zona Jamesoni | — | — |
| North of col de Peralba, bed 9, Santa Maria de Meià | Zona Ibex | Escales | — |
| North of col de Peralba, beds 5-6, Santa Maria de Meià | Zona Margaritatus | Escales | — |
| North of col de Peralba, spinatum zone, Santa Maria de Meià | Zona Spinatum | Barre a Pecten | — |
| North of Jabaloyas | Oxfordiense superior | Yatova | Aragón |
| North of La Magdalena | Gzheliense | — | Castilla y León |
| North of Llinars (Serra de Turp) | Zona Falciferum | Padrinas | — |
| North of Peña Tremaya, Redondo Valley | Podolskiense | — | Castilla y León |
| North of Turmiel, Guadalajara Province | Toarciense inferior | Turmiel | — |
| Northeast of Sallent, bed 1, Montanissell | Zona Falciferum | Padrinas | — |
| Northeast of Sallent, bed 3, Montanissell | Zona Bifrons | Padrinas | — |
| Northern shore of the Cíjara dam | Ediacárico | Villarta | — |
| NW of Aranguren village, level AG1.1 | Bartoniense | Ardanatz Sandstone | — |
| NW of Playas de Sibares, Ferrones Formation, Asturias | Emsiense superior | Ferrones | — |
| Níjar town | Neógeno | — | Andalucía |