This is a list of flags of provinces of Spain. The flags are listed per autonomous community. The list also discusses coat of arms as most flags feature them.
| Province | Flag | Coat of arms | Enactment Date | Description | Ref. |
|---|---|---|---|---|---|
| Álava |  |
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5 May 1993 | Crimson flag with coat of arms. The coat of arms contains a castle on a rock represents the Castillo de Portilla (which in turn represents the province's defenders), the arm (like the castle) also represents the province's defenders, the lion representing the enemies of the province, the blue ribbon with the word "Justica" to represent the Brotherhoods of Álava fight against criminals. The lion and the castle was added during the era of the Kingdom of Castile. It also features the province's motto "EN AUMENTO DE LA JUSTICIA CONTRA MALHECHORES (IN INCREASE OF JUSTICE AGAINST EVIL DOES)" It is topped with the ducal crown. | [1][2] |
| Biscay |  |
 |
Emblem: 15 December 1986 Flag: 27 December 1986 |
Maroon flag with coat of arms. It features the red cross shining over the Gernikako Arbola. It also contains eight red crosses on yellow. The shield is surrounded by the oak leaves with acrons. The coat of arms pays homage to the coat of arms of the Lordship of Biscay. | [3] |
| Gipuzkoa |  |
 |
27 March 1990 | White flag with coat of arms. The coat of arms features three common yews on blue and white waves. The white ribbon contains the provincial motto, "FIDELISSIMA BARDULIA NUNQUAM SUPERATA (Most Loyal Bardulia, never surpassed)". The coat of arms was topped with the ducal crown and surrounded by two savages. | [4] |
![Flag of Las Palmas[5]](/en/File:Bandera_Provincial_de_Las_Palmas.svg)
![Flag of Santa Cruz de Tenerife[5]](/en/File:Bandera_Provincial_de_Santa_Cruz_de_Tenerife.svg)
![Flag of A Coruña[6]](/en/File:No_flag.svg)
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![Flag of Girona[5]](/en/File:Flag_of_Girona_province_(unofficial).svg)
![Flag of Lleida[5]](/en/File:Bandera_de_la_provincia_de_L%C3%A9rida.svg)
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