"Mi Marciana" (English: My Martian) is a song recorded by the Spanish singer-songwriter Alejandro Sanz.

It was released as the third single from his ninth studio album La Música No Se Toca (2012).

The song was released for digital download on 6 December 2012.

Mi Marciana is the third single of Sanz's ninth studio album La Música No Se Toca and was written by Alejandro Sanz and co-produced by Sanz and Colombian producer, musician, and songwriter, Julio Reyes Copello.

[2] Sanz performed this song on several stages including his recent worldwide tour.