There are multiple origins and translations for the name Landa:
1. Shortened form of the Germanic name Rolanda - "famous land".
2. Swedish name-forming which actually means - "land".
Norwegian habitational name from any of several farmsteads in southwestern Norway, so named from the plural of land.
3. Spanish and Basque: topographic name from the Basque landa which actually means - "meadow" or from the word landatar denotation - "rural". There is a place of this name in Álava province, Basque Country, and the surname may in fact be a habitational name from this place.
4. Polish nickname for a persistent and irritating person, from a derivative of the dialect verb landzic ‘to ask insistently’, ‘badger someone’.