List of Famous people who died at 26

Malcolm James McCormick, known professionally as Mac Miller, was an American rapper, singer, songwriter, and record producer from Pittsburgh, Pennsylvania. Miller began his career in Pittsburgh's hip hop scene in 2007, at the age of fifteen. In 2010, he signed a record deal with independent label Rostrum Records, and released his breakthrough mixtapes K.I.D.S. (2010) and Best Day Ever (2011). Miller's debut studio album, Blue Slide Park (2011), became the first independently-distributed debut album to top the US Billboard 200 since 1995.

Jon-Erik Hexum was an American actor and model, known for his lead roles in the TV series Voyagers! and Cover Up, and his supporting role as Pat Trammell in the biopic The Bear. He died by an accidental self-inflicted blank cartridge gunshot to the head on the set of Cover Up.

Marc-André Leclerc was a Canadian rock climber and alpinist. Known for his solo ascents of numerous mountains in several parts of the world, he completed the first winter solo ascents of the Torre Egger in Patagonia, and the Emperor Face of Mount Robson.

Tirone José González Orama, known by his stage name Canserbero, was a Venezuelan hip hop singer and songwriter from Caracas. He is regarded as one of the most significant rappers in Latin America. Since he was young, he showed interest in music, mainly influenced by reggaeton but, after the murder of his half brother, his musical references changed to more critical genres such as hip hop and hard rock, appreciable in songs like "Es épico".

Siobhan Cattigan was a Scottish rugby union player. She represented Scotland in international rugby from 2018 until her death in 2021.

James McCulloch was a Scottish musician and songwriter best known for playing lead guitar and bass, as a member of Paul McCartney's band Wings from 1974 to 1977. McCulloch was a member of the Glasgow psychedelic band One in a Million, Thunderclap Newman, and Stone the Crows.

Aaron Hillel Swartz was an American computer programmer, entrepreneur, writer, political organizer, and Internet hacktivist. He was involved in the development of the web feed format RSS, the Markdown publishing format, the organization Creative Commons, and the website framework web.py, and joined the social news site Reddit six months after its founding. He was given the title of co-founder of Reddit by Y Combinator owner Paul Graham after the formation of Not a Bug, Inc.. Swartz's work also focused on civic awareness and activism. He helped launch the Progressive Change Campaign Committee in 2009 to learn more about effective online activism. In 2010, he became a research fellow at Harvard University's Safra Research Lab on Institutional Corruption, directed by Lawrence Lessig. He founded the online group Demand Progress, known for its campaign against the Stop Online Piracy Act.

Fabricio Paulino de Melo was a Brazilian professional basketball player. He played one season in the National Basketball Association (NBA) for the Boston Celtics before returning to his home country and playing for Liga Sorocabana and Brasília of the Brazilian Novo Basquete Brasil (NBB). Prior to entering the NBA in 2012, he played two years of college basketball for Syracuse, where he was named the Big East Defensive Player of the Year as a sophomore.

Ziad Samir Jarrah was a member of al-Qaeda and one of the perpetrators of the September 11 attacks. Jarrah was the hijacker-pilot of United Airlines Flight 93, crashing the plane into a field in a rural area near Shanksville, Pennsylvania—after a passenger uprising—as part of the coordinated attacks.

Kayla Jean Mueller was an American human rights activist and humanitarian aid worker from Prescott, Arizona, U.S.. She was taken captive in August 2013 in Aleppo, Syria, after leaving a Doctors Without Borders hospital. Media had long reported that a 26-year-old American aid worker was being held by the Islamic State of Iraq and Syria (ISIS) without naming her, at her family's request. In 2015, she was killed in uncertain circumstances.