Isaac Mahmood Noell (born 12 April 1983 in La Cellera de Ter, Catalonia), professionally known as Sak Noel, is a DJ, record producer, songwriter and music video director. He is best known for the international hit "Loca People".

Sak Noel's interest in music began in his adolescence, with involvement in the electronic music scene in Catalonia and the founding of Moguda, an entertainment company in 2003.

His first single, "Loca People (2011)", was a worldwide hit, attaining #1 ranking in various countries, including the UK. He was the fifth Spaniard to reach that ranking. The remix of "Loca People" with Sensato and Pitbull "Crazy People" was nominated for Best Urban Song 13th Latin Grammy Awards in 2012.

His second single, "Paso (The Nini Anthem)", obtained more than 30 million views on YouTube. He then released "No Boyfriend" in 2014, in collaboration with Mayra Veronica, which also obtained more than 30 million views on YouTube and went viral in the US. The song debuted at #40 on the Billboard Dance/Mix Show Airplay rankings.