List of Famous people who died at 54

Ernst August, Hereditary Prince of Brunswick, Prince of Hanover was head of the House of Hanover from 1953 until his death. From his birth until the German Revolution of 1918–1919 he was the heir apparent to the Duchy of Brunswick, a state of the German Empire.

Alexey Ekimyan also Alexey Gurgenovich Hekimyan was a famous Armenian composer, and author of popular songs. Ekimyan was also a General of Soviet militsia (police) and was the head of Criminal Investigation Department of Moscow region. He was considered the only popular composer in the world who ruled a law-enforcement department at the same time. Ekimyan awarded by the "Renowned Master of the Arts" Armenian SSR official title.

Abdullah El Tell served in the Transjordanian Arab Legion during the 1948 war in Palestine rising from the rank of company commander to become Military Governor of the Old City of Jerusalem. He was later accused of being involved in the assassination of King Abdullah I−which he denied−and spent many years in Egypt before returning to Jordan in 1967.

Benjamin L. Abruzzo was an American balloonist and businessman who helped make Albuquerque, New Mexico, into an international ballooning center. He was part of the balloon crews that made the first Atlantic ocean crossing by balloon in the Double Eagle II and the first Pacific ocean crossing by balloon in the Double Eagle V.

René Arthur Gagnon was a United States Marine Corps corporal who participated in the Battle of Iwo Jima during World War II.

Alexei Maximovich Parshchikov was a Russian poet, critic, and translator.

Antonio Torres Millera was a Spanish politician and a member of the People's Party of Aragon. He served as a deputy of the Aragonese Corts, the regional parliament, from 2003 until his death in 2019. He was also second Vice President of the Aragonese Corts at the time of his death in 2019.

Silas Ayari Donrai Papare was a Papuan–Indonesian politician and guerilla leader who is a National Hero of Indonesia.

John Joseph MacGowran was an Irish actor, probably best known for his work with Samuel Beckett. His last film role was as the alcoholic director Burke Dennings in The Exorcist (1973).

Lugi Gizenga was a Congolese politician and leader in the Unified Lumumbist Party. He was an advisor in charge of investments and partnerships with Martin Kabwelulu, the Democratic Republic of the Congo's Minister of Mines.