"Fiesta" (English: "Party") is a Greek Pop song by Helena Paparizou.

It is the third single from her sixth Greek studio album Ouranio Toxo which released on December 15, 2017.

The song is written by Michael Tsaousopoulos, Teo Tzimas and Dimitris Beris.

Paparizou performed "Fiesta" for the first time at the annual MAD Video Music Awards held in Tae Kwon Do Stadium in Athens on the 28th June 2016.

On July 1, Paparizou performed "Fiesta" at the semi-finals of The X Factor (Greek series 4).