List of Famous people who died at 20

Eduardo Benavente was a Spanish musician and the leader of Parálisis Permanente, a cult band of La Movida Madrileña. Benavente died at the age of 20 in a car accident. His untimely death made him into a symbol of the Spanish music scene of the 1980s.

Kelvin Odenigbo was a Nigerian professional footballer. In 2021, he joined Vitebsk on loan from NAF Rockets. He drowned in Lake Belae, Pastavy District, Belarus on 5 June 2021.

Ali Bahar was a Bahraini singer, guitarist and organ player known for his music band Al Ekhwa. He was nicknamed the "Bob Marley of the Gulf" and has been called as being "the best musician in Bahrain's and Arab’s history". He sang and performed in national concerts and multiple international music festivals.

The Sandy Hook Elementary School shooting occurred on December 14, 2012, in Newtown, Connecticut, United States, when 20-year-old Adam Lanza shot and killed 26 people. Twenty of the victims were children between six and seven years old, and six were adult staff members. Earlier that day, before driving to the school, Lanza shot and killed his mother at their Newtown home. As first responders arrived at the school, Lanza committed suicide by shooting himself in the head.

Juan Fernando Hermosa Suárez, known as Niño del Terror, was the youngest serial killer in the history of Ecuador.