List of Famous people who died at 52

Dimitri Diatchenko was an American actor, voice actor, and musician.

Sabine Sinjen was a German film actress. She appeared in 54 films between 1957 and 1994. Sinjen was married to television director Peter Beauvais from 1963 to 1984.

Marisela Escobedo Ortiz was a Mexican social activist from Juarez, Chihuahua, who was killed while protesting the murder of her daughter that occurred in 2008.

Alfonso, Duke of Anjou, Duke of Cádiz, Grandee of Spain was a grandson of King Alfonso XIII of Spain, a potential heir to the throne in the event of restoration of the Spanish monarchy, and a Legitimist claimant to the defunct throne of France as Alphonse II.

María Jesús San Segundo Gómez de Cadiñanos, was a Spanish economist, academic, diplomat and politician, minister of Education and Science of Spain between 2004 and 2006.

Dmitry Borisovich Bosov was a Russian businessman. Founder, majority shareholder and Chairman of the Board of Directors of ALLTECH Group. The main assets of Dmitry Bosov were the Sibanthracite Group and VostokCoal MC.

On 22 March 2017, a terrorist attack took place outside the Palace of Westminster in London, seat of the British Parliament. The attacker, 52-year-old Briton Khalid Masood, drove a car into pedestrians on the pavement along the south side of Westminster Bridge and Bridge Street, injuring more than 50 people, four of them fatally. He then crashed the car into the perimeter fence of the palace grounds and ran into New Palace Yard, where he fatally stabbed an unarmed police officer. He was then shot by an armed police officer, and died at the scene.

Agha Shahid Ali was an Indian-American Kashmiri poet. His collections include A Walk Through the Yellow Pages, The Half-Inch Himalayas, A Nostalgist's Map of America, The Country Without a Post Office, and Rooms Are Never Finished, the latter a finalist for the National Book Award in 2001.

Patrick Edlinger was a professional French free climber. He died in his home at La Palud-sur-Verdon in 2012. Edlinger is considered a pioneer and a legend of sport climbing.

Bernard Daniel Jacques Loiseau was a French chef. He died by suicide by self-inflicted gunshot in 2003 when newspaper reports hinted that his restaurant might lose its 3-star status. This decision was likely due to increased bouts of clinical depression.