List of Famous people who died at 40

Thierry Claveyrolat was a French road bicycle racer. He was King of the Mountains in the 1990 Tour de France.

Johann Friedrich Hohenberger OAM, also known as John Friedrich, was executive director of the National Safety Council of Australia during the 1980s. He was the subject of Victoria's biggest fraud case and known as "Australia's greatest conman".

James Dale Ritchie was an American serial killer. Throughout 2016, Ritchie murdered upwards of five individuals in and around Anchorage, Alaska, most of whom were in parks or along bike paths. He always committed his murders at night, often around midnight or a short time after. Ritchie was killed during a shootout with police officers in downtown Anchorage on November 12, 2016. Following his death, a Colt Python handgun on his person connected him to the string of murders he committed over the course of two months.

Robert Dahlqvist was a Swedish guitarist and vocalist best known for his nine-year tenure with the rock band The Hellacopters. He was also the lead singer and guitarist for Thunder Express, a band originally started as a side project to his work with The Hellacopters. At the time of his death at age 40, Dahlqvist had nearly completed his second solo album, under the name Strängen.

Siddharth Ray, born Sushant Ray, was a film actor in Hindi and Marathi films. He also appeared in a few south Indian films. He was the grandson of filmmaker V. Shantaram.

Nicholas Joseph Begich Sr. was an American politician who served as a member of the United States House of Representatives from Alaska. He is presumed to have died in the crash of a light aircraft in Alaska in 1972; his body was never found.

Jaime Roldós Aguilera was 33rd President of Ecuador from August 10, 1979 until his death on May 24, 1981. In his short tenure, he became known for his firm stance on human rights.

Aleksey Borisovich Mozgovoy or Mozgovoi was a rebel commander of the self-proclaimed Luhansk People's Republic in Ukraine. He was the leader of the pro-Russian Prizrak Brigade and also served as "judge" on the "People's Court", notorious for issuing controversial death sentences. He was assassinated in Donbas, with conflicting reports on who was responsible.

Sevgi Soysal, born Sevgi Yenen, was a Turkish female writer.

Hiroshi Maeue , aka "The Suicide Website Murderer", was a Japanese serial killer, who lured his victims via the internet and killed three people in 2005.