Kai Arne Engelstad

Norwegian speed skater.

Born December 21st, 1954 (age 70 years) in Oslo.

Stefan Ulm

German canoeist.

Born December 21st, 1975 (age 49 years) in Berlin.

Amaral

Brazilian association football player (1954–2024).

Born December 21st, 1954 in Campinas. ^[ref]

Died May 31st, 2024 at 69 years old in São Paulo (cancer). ^[ref]

Roberto Cifuentes

Chilean chess player.

Born December 21st, 1957 (age 67 years) in Santiago.

Masafumi Hara

Japanese association football player.

Born December 21st, 1943 (age 81 years) in Japan.

Juan Valera Espín

Spanish footballer.

Born December 21st, 1984 (age 40 years) in Murcia.

Niels Scheuneman

Road bicycle racer.

Born December 21st, 1983 (age 41 years) in Veendam.

Miwako Motoyoshi

Olympic synchronized swimmer.

Born December 21st, 1960 (age 64 years) in Osaka.

Federica Radicchi

Italian water polo player.

Born December 21st, 1988 (age 36 years) in Rome.

Shōhei Tochimoto

Japanese ski jumper.

Born December 21st, 1989 (age 35 years) in Sapporo.