Spain. NATO Referendum 1986
By Alex Kireev
| YES | NO | |
| Total | 53.09% | 40.30% |
| Álava/Araba | 35.99% | 59.95% |
| Albacete | 61.52% | 29.39% |
| Alicante/Alacant | 62.06% | 31.08% |
| Almería | 61.91% | 31.95% |
| Asturias/Asturies | 54.35% | 40.37% |
| Ávila | 47.91% | 37.84% |
| Badajoz | 61.12% | 31.34% |
| Barcelona | 44.27% | 51.01% |
| Burgos | 54.44% | 34.18% |
| Cáceres | 60.36% | 32.09% |
| Cádiz | 70.06% | 25.61% |
| Cantabria | 59.20% | 33.36% |
| Castellón/Castelló | 55.79% | 34.83% |
| Ciudad Real | 62.79% | 28.28% |
| Córdoba | 58.99% | 35.51% |
| A Coruña | 56.73% | 36.50% |
| Cuenca | 62.34% | 26.01% |
| Girona | 39.72% | 53.55% |
| Granada | 59.76% | 34.30% |
| Guadalajara | 53.97% | 32.86% |
| Guipúzcoa/Gipuzkoa | 28.72% | 68.99% |
| Huelva | 66.64% | 27.44% |
| Huesca | 55.08% | 36.42% |
| Illes Balears (Balearic Islands) | 56.31% | 35.84% |
| Jaén | 63.73% | 28.80% |
| La Rioja | 57.86% | 32.66% |
| León | 59.63% | 30.53% |
| Lleida | 42.10% | 51.12% |
| Lugo | 55.51% | 37.20% |
| Madrid | 52.46% | 39.95% |
| Málaga | 63.53% | 32.06% |
| Murcia | 58.03% | 35.44% |
| Navarra/Nafarroa (Navarre) | 40.77% | 53.44% |
| Ourense | 61.13% | 32.46% |
| Palencia | 55.96% | 32.54% |
| Las Palmas | 39.78% | 56.31% |
| Pontevedra | 50.88% | 42.62% |
| Salamanca | 53.35% | 33.98% |
| Tenerife | 49.72% | 45.06% |
| Segovia | 49.25% | 37.55% |
| Sevilla (Seville) | 64.14% | 30.64% |
| Soria | 52.05% | 34.43% |
| Tarragona | 45.67% | 48.27% |
| Teruel | 56.25% | 31.83% |
| Toledo | 62.11% | 27.44% |
| Valencia/València | 53.55% | 39.62% |
| Valladolid | 54.36% | 36.44% |
| Vizcaya/Bizkaia (Biscay) | 32.19% | 65.03% |
| Zamora | 54.69% | 31.90% |
| Zaragoza | 56.79% | 35.15% |
| Ceuta | 69.62% | 23.28% |
| Melilla | 74.31% | 20.42% |
