List of Famous people who born in 1921

Dmitri Fyodorovich Polyakov was a Soviet Major General, a ranking GRU officer, and a prominent Cold War spy who revealed Soviet secrets to the FBI and the Central Intelligence Agency. In the CIA, he was known by code names BOURBON and ROAM, while the Federal Bureau of Investigation (FBI) knew him as TOPHAT.

Howard Barton Unruh was an American mass murderer who shot and killed 13 people during a 12-minute walk through his neighborhood on September 6, 1949, in Camden, New Jersey, when he was 28 years old. The incident became known as the "Walk of Death". Unruh was found to be criminally insane, and died in 2009 after a lengthy illness at the age of 88, following 60 years of confinement.

Daniel Yves Alfred Gélin was a French film and television actor.

Louis Henry Saban was an American football player and coach. He played for Indiana University in college and as a professional for the Cleveland Browns of the All-America Football Conference between 1946 and 1949. Saban then began a long coaching career. After numerous jobs at the college level, he became the first coach of the Boston Patriots in the American Football League (AFL) in 1960. He joined the Buffalo Bills two years later, and led the team to consecutive AFL championships in 1964 and 1965. After serving briefly as head coach at the University of Maryland, he was hired as head coach of the Denver Broncos in 1967, where he remained for five years. Saban returned to the Bills—by then in the National Football League following the AFL–NFL merger—from 1972 to 1976, reaching the playoffs once but failing to bring Buffalo another championship.

Allan Jaffee is an American cartoonist. He is notable for his work in the satirical magazine Mad, including his trademark feature, the Mad Fold-in. Jaffee was a regular contributor to the magazine for 65 years and is its longest-running contributor. In a 2010 interview, Jaffee said, "Serious people my age are dead."

Yang Gensi was a military hero of the People's Republic of China, remembered for his efforts and death in the Korean War. A frequent topic of Communist Chinese propaganda, the people of the republic were taught to emulate his acts in their daily lives.

John George Agar Jr. was an American film and television actor. He is best known for starring alongside John Wayne in the films Sands of Iwo Jima, Fort Apache, and She Wore a Yellow Ribbon. In his later career he was the star of B movies, such as Tarantula, The Mole People, The Brain from Planet Arous, Revenge of the Creature, Flesh and the Spur and Hand of Death. He was the first husband of Shirley Temple.

Wadih El Safi (Arabic: وديع الصافي‎, was a Lebanese singer, songwriter, composer and actor. He was a Lebanese icon and the forefather of the country's musical culture, he was the longest singer in production, seventy five years in the singing profession. He was the number one singer of his era. He was known amongst his peers to have incarnated and raised the ceiling of all the singing styles and music of that era and added his own intricate new styles and genres to the existing national musical and singing heritage. He is the reference to every new singer and the example to follow for generations to come. Born in Niha, Lebanon, Wadih El Safi started his artistic journey at the age of sixteen when he took part in a singing contest held by Lebanese Radio and was chosen the winner of all categories among 40 other competitors.

Frances Scott "Scottie" Fitzgerald was the only child of novelist F. Scott Fitzgerald and Zelda Sayre Fitzgerald. She was a writer, a journalist, and a prominent member of the Democratic Party. She was inducted into the Alabama Women's Hall of Fame in 1992.

Moshe "Misha" Lewin was a scholar of Russian and Soviet history. He was a major figure in the school of Soviet studies which emerged in the 1960s.