Due to its turbulent history, Spain has had many constitutions since the first one was drafted in 1812. A list follows.

• Spanish Constitution of 1812 (nicknamed "La Pepa" because it was approved in St. Joseph's day, whose name can be aliased as "Pepe" in Spanish)
• Spanish Constitution of 1837
• Spanish Constitution of 1845
• Spanish Constitution of 1869
• Spanish Constitution of 1873
• Spanish Constitution of 1876
• Spanish Constitution of 1931 (2nd Republic)
• Spanish Constitution of 1978 (Current)