"Échame la Culpa" is a song by Puerto Rican singer and songwriter Luis Fonsi and American singer Demi Lovato. Fonsi co-wrote the song with Alejandro Rengifo and its producers Andrés Torres and Mauricio Rengifo. It was released through Universal Music Latin Entertainment, Republic Records and Island Records on November 17, 2017, as the second single from his tenth studio album, Vida. On March 2, 2018, an English remix of the song titled "Not on You" was released.

Luis Alfonso Rodríguez López-Cepero, known by his stage name Luis Fonsi, is a Puerto Rican singer. He is known for his soulful and dance oriented songs, most notably 2017's "Despacito".