"Mercy" is a song written and performed by French duo Madame Monsieur made up of Émilie Satt and Jean-Karl Lucas. The song was released as a digital download on 20 January 2018 through Low Wood and Play Two as the lead single from Madame Monsieur's second studio album Vu d'ici (2018). It represented France in the Eurovision Song Contest 2018 in Lisbon, Portugal finishing 13th with a total of 173 votes.

Madame Monsieur is a French duo consisting of vocalist Émilie Satt and producer Jean-Karl Lucas. They represented France at the Eurovision Song Contest 2018 in Lisbon, Portugal with the song "Mercy", finishing in 13th place in the grand final.