"Es un Secreto" (English: It's a Secret) is a song by the reggaeton duo Plan B.

It was released on April 24, 2011, through Pina Records, as the second single from their third studio album, House of Pleasure (2011).

[1] A remix version of the song with Tego Calderón was also released in the same year.

[2] Its music video was released on April 24, 2011, through the YouTube channel of Pina Records.

[3] ‡ Sales+streaming figures based on certification alone.