List of Famous people who died at 55

Álvaro José Arroyo González was a Colombian salsa and tropical music singer, composer and songwriter. He was considered one of the greatest performers of Caribbean music in his country.

Mike Howe was an American heavy metal singer who performed with Metal Church, Heretic, and Snair.

Mustafa Vehbi Koç was a Turkish businessman and a third generation member of the Koç family. He is best known as the chairman of Koç Holding, a position he held from 2003 until his death in 2016.

William Dean Johnson was an American World Cup alpine ski racer. By winning the downhill at the 1984 Winter Olympics in Sarajevo, Yugoslavia, Johnson became the first American male to win an Olympic gold medal in alpine skiing and the first racer not from an Alpine country to win an Olympic downhill race.

Michael Scott Adams was an American conservative political columnist, writer and professor of criminology at the University of North Carolina Wilmington.

Hagen Friedrich Liebing, nicknamed "The Incredible Hagen", was a German musician and journalist, best known as the bassist for the influential punk band Die Ärzte.

Natalia Valerievna Fileva was a Russian businesswoman and chairman of the board of directors of S7 Airlines. In 2018, Forbes listed her as the 4th richest woman in Russia, with a worth estimated at US$600 million .

Anil Panachooran was an Indian poet and lyricist, who worked in the Malayalam film industry. Anil panachooran was a lawyer by profession. His last lyrics were penned for the movie Within Seconds (2021).He completed the last lines of his song just a few hours before his death. While undergoing treatment for COVID-19 during the COVID-19 pandemic in India, he died on 3 January 2021, following a cardiac arrest.

Shoucheng Zhang was a Chinese-American physicist who was the JG Jackson and CJ Wood professor of physics at Stanford University. He was a condensed matter theorist known for his work on topological insulators, the quantum Hall effect, the quantum spin Hall effect, spintronics, and high-temperature superconductivity. According to the National Academy of Science:

He discovered a new state of matter called topological insulator in which electrons can conduct along the edge without dissipation, enabling a new generation of electronic devices with much lower power consumption. For this ground breaking work he received numerous international awards, including the Buckley Prize, the Dirac Medal and Prize, the Europhysics Prize, the Physics Frontiers Prize and the Benjamin Franklin Medal.

Paul Edward Lynde was an American comedian, voice artist, game show panelist and actor. A character actor with a distinctively campy and snarky persona that often poked fun at his barely closeted homosexuality, Lynde was well known for his roles as Uncle Arthur on Bewitched, the befuddled father Harry MacAfee in Bye Bye Birdie, and as a regular "center square" panelist on the game show The Hollywood Squares from 1968 to 1981. He also voiced animated characters for four Hanna-Barbera productions.