List of Famous people who died at 84

Jacques-Paul Martin was a French Roman Catholic cardinal, raised to the cardinalate in 1988.

Robert Thomas Seeley was a mathematician who worked on pseudo differential operators and the heat equation approach to the Atiyah–Singer index theorem.

Evsei Grigorievich Liberman was a Soviet economist who lived in Kharkiv, Ukraine.

James Dee Crowe was an American banjo player and bluegrass band leader. He first became known during his four-year stint with Jimmy Martin in the 1950s. Crowe led the bluegrass group New South from 1971 until his death in 2021.

Elisabeth Schmitz was a German Lutheran theologian, teacher, and author of "On the Situation of German Non-Aryans", a memorandum that attempted to persuade those in the Confessing Church to stand against the persecution of Jews in 1930s Germany. She also sheltered Jews and was granted the title of "Righteous Among the Nations" in 2011 by the Commission of Yad Vashem.