List of Famous people who died at 20

Daniel Pedreira Senna Pellegrine, better known by his stage name MC Daleste, was a Brazilian funk paulista singer, songwriter and rapper.

Joselyn Alejandra Niño, commonly referred to by her alias La Flaca, was a Mexican suspected assassin of the Gulf Cartel, a criminal group based in Tamaulipas. She gained popularity on social media on 5 January 2015, when an anonymous person uploaded a picture of her posing with a firearm in an organized crime leak page. The post identified her as a Gulf Cartel member based out of Río Bravo. As a foot soldier, she was responsible for fighting off cells of Los Metros, a rival faction of Los Ciclones, a Gulf Cartel subgroup she belonged to.

Stubbs was a cat who was the mayor of Talkeetna, Alaska, from July 1997 until his death.

Raudha Athif was a Vogue model and medical student who was killed in Rajshahi, Bangladesh.

Dana Lynn Dodd was a formerly unidentified American murder victim whose body was found in 2006 in Kilgore, Texas. In 2013, investigators had hoped that a new reconstruction of the victim might uncover more leads. In August 2018, Joseph Wayne Burnette was indicted for her murder, following a confession, stating her name may have been "Ashley." The victim's case was later submitted to the DNA Doe Project, who made an identification in January 2019, 12 years later. While she remained unidentified, she was known by the nickname "Lavender Doe".

Hamza Sultan Ali, also known as Hamza Shabbir, was an English cricketer who played for Hampshire, Marylebone Cricket Club (MCC) Young Cricketers and Rawalpindi Rams. Primarily a right-arm fast-medium bowler, he also batted right handed. Ali attended City Academy Bristol and Filton Sixth Form College.

Walter Olmos (1982–2002) was an Argentine singer.

Urii Mikhailovich Eliseev was a Russian chess player. He won the Under-16 section of World Youth Chess Championship in 2012 and was awarded the Grandmaster title by FIDE in 2013 at the age of 17. He won the Moscow Chess Championship in 2015 and the Moscow Open in 2016. He was ranked 212th in the world and 42nd in Russia, with an Elo rating of 2614.

Dalal Mughrabi was a Palestinian militant who was a member of the Fatah faction of the Palestine Liberation Organization (PLO) and participated in the 1978 Coastal Road massacre in Israel. The attack resulted in the death of 38 Israeli civilians, including 13 children. Mughrabi and eight other militants were also killed in the course of the operation. While she has been hailed as a martyr and a national hero among many Palestinians, Israel and the United Nations have described her as a terrorist.

Mariana Bridi Costa, also known as Mari, was a Brazilian model.