Spain. Political Reforms Referendum 1976
By Alex Kireev
| YES | NO | |
| Total | 94.45% | 2.57% |
| Álava/Araba | 92.19% | 2.72% |
| Albacete | 95.64% | 2.61% |
| Alicante/Alacant | 95.47% | 2.23% |
| Almería | 97.05% | 1.54% |
| Asturias/Asturies | 93.16% | 4.06% |
| Ávila | 96.32% | 1.83% |
| Badajoz | 96.16% | 2.18% |
| Barcelona | 93.06% | 2.28% |
| Burgos | 92.81% | 3.42% |
| Cáceres | 96.35% | 1.88% |
| Cádiz | 95.82% | 1.73% |
| Cantabria | 89.97% | 6.42% |
| Castellón/Castelló | 96.05% | 1.90% |
| Ciudad Real | 95.01% | 3.08% |
| Córdoba | 96.11% | 1.98% |
| A Coruña | 95.73% | 1.84% |
| Cuenca | 95.10% | 3.25% |
| Girona | 94.61% | 1.71% |
| Granada | 96.68% | 1.72% |
| Guadalajara | 93.12% | 4.43% |
| Guipúzcoa/Gipuzkoa | 92.92% | 2.69% |
| Huelva | 96.89% | 1.33% |
| Huesca | 95.72% | 1.40% |
| Illes Balears (Balearic Islands) | 95.35% | 1.73% |
| Jaén | 96.28% | 2.48% |
| La Rioja | 95.35% | 1.65% |
| León | 95.11% | 2.06% |
| Lleida | 95.41% | 1.50% |
| Lugo | 95.10% | 1.98% |
| Madrid | 92.54% | 3.95% |
| Málaga | 96.01% | 1.96% |
| Murcia | 93.27% | 4.73% |
| Navarra/Nafarroa (Navarre) | 93.08% | 2.89% |
| Ourense | 96.95% | 1.42% |
| Palencia | 93.59% | 3.28% |
| Las Palmas | 96.19% | 1.59% |
| Pontevedra | 95.38% | 2.23% |
| Salamanca | 95.00% | 1.79% |
| Tenerife | 96.53% | 1.73% |
| Segovia | 94.50% | 2.42% |
| Sevilla (Seville) | 96.00% | 1.59% |
| Soria | 94.73% | 1.87% |
| Tarragona | 95.42% | 1.70% |
| Teruel | 95.28% | 2.12% |
| Toledo | 92.96% | 5.08% |
| Valencia/València | 94.49% | 2.53% |
| Valladolid | 91.76% | 3.82% |
| Vizcaya/Bizkaia (Biscay) | 91.04% | 3.84% |
| Zamora | 93.64% | 2.61% |
| Zaragoza | 94.01% | 2.33% |
| Ceuta | 94.55% | 3.66% |
| Melilla | 93.27% | 4.73% |