List of Famous people who born in 1921

Robin Macdonald Sinclair, 2nd Viscount Thurso, JP, was a Scottish landowner, businessman and Liberal Party politician.

Ole Sarvig was a Danish author and poet, known for his participation in the literary journal heretica. In 1967 he received the grand prize of the Danish Academy. In 2004 his 1943 work Regnmaaleren was included in the Danish Culture Canon. He was a friend and mentor to the poet Michael Strunge, whose poem "December" remembers Sarvig's death by suicide in December 1981. Like Sarvig, Strunge took his life by jumping from a building.

Yukio Seki was a Japanese naval aviator of the Imperial Japanese Navy during World War II. As a kamikaze pilot, Lieutenant Seki led one of the three fighter groups of the second official kamikaze attack in World War II. Seki's final action took place on October 25, 1944, during the Battle of Leyte Gulf. He led a unit of five bomb-armed Mitsubishi Zero fighters, crash-diving his plane deliberately into the USS St. Lo's flight deck, being the first kamikazes to sink an enemy ship.