List of Famous people who died at 23

Sakhile Hlatshwayo, known professionally as Killer Kau, was a South African rapper, dancer and record producer best known for his hit song titled "Tholukuthi Hey".

Michael Tamoaieta was a Samoan-born, Gilbertese origin, New Zealand rugby union player. A prop, Tamoaieta represented North Harbour at a provincial level, and played for the Blues in the Super Rugby competition.

Abdullah Hassan al-Asiri was a Saudi Arabian member of al-Qaeda in the Arabian Peninsula. His name is an ascription to the 'Asir Province of Saudi Arabia. He died in August 2009 while attempting to assassinate Saudi Arabia's Deputy Minister of the Interior, Muhammad bin Nayef, in a suicide bombing.

John Robert "Johnny" Strange was a world record holding adventurer. At 17, he became the youngest to climb the Seven Summits, a record now held by Jordan Romero at 15 years, 5 months and 12 days. He was best known as a professional wingsuit BASE jumper.

Melanie Susan "Mel" Appleby was one half of the 1980s English duo Mel and Kim. They had a number one hit on the UK Singles Chart in March 1987, with the song "Respectable".

Movsar Buharovich Barayev (Suleimanov);, earlier known as Suleimanov, was a Chechen Islamist militia leader during the Second Chechen War, who led the seizure of a Moscow theater that led to the deaths of over 170 people by Russian special forces.

Édison Gabriel Realpe Solís was an Ecuadorian footballer who played for L.D.U. Quito. He died in a car accident in Ecuador at the age of 23.

Karl Werner Lothar Koch was a German hacker in the 1980s, who called himself "hagbard", after Hagbard Celine. He was involved in a Cold War computer espionage incident.

Jimmy Duquennoy was a Belgian cyclist, who rode professionally between 2015 and his death in 2018. Duquennoy died at age 23 after suffering cardiac arrest at his home in Wez-Velvain, Belgium.

Riccardo Paletti was an Italian motor racing driver. Paletti was killed when he crashed on the start grid in his second Formula One start.