Vegan and Vegetarian Restaurants in Madrid

The first thing you should do is download the App "Happy Cow"; it will help you finding vegan/vegetarian friendly places near you, and you will also be able to check the price ranges and opinions from other costumers! 

In Sol
B13

Yerbabuena 
Vega 
Viva Burger 
Veggie Room (tienda)
Artemisa (a domicilio)
In  Lavapiés
La Oveja Negra
In Retiro
Cookaluzka
In La Latina

La Encomienda
Pura Vida
In Chamberí
EcoCentro (autoservicio y tienda)
In Atocha 
La Biotika
El Fogón Verde (servicio catering)
Botanique 
Rayén 
In Malasaña
Sanissimo (reparto a domicilio)
Delish Vegan Doughnuts