Fruela or Froila is a masculine given name of Gothic origin used in Spain in the Middle Ages.
The variant Froilán is of the same origin, but derives from the Latin oblique case form Froilane.
[1] The feminine forms of the name, Froileuva (Froiliuba) or Froilana, were rarer.
From western Iberia: Froilla, Froyla, Froilo, Froia, Froiam, Frogila, Froiano, Froilarius, Froilatius, Froilano.
[2] From eastern Iberia: Foilani, Fraula, Friulano, Frodane, Froilane, Froilani, Froilus, Frolani, Frolia, Froylane, Froylano, Froylus, Frua, Fruao, Fruglane, Fruila, Fruilane, Fruilanus, Fruilla, Frula, Frulla, Fuila.