List of Famous people named Alexander

Oleksandr Olegovich Kostyliev (Ukrainian) or Aleksandr Olegovich Kostilev (Russian) ; born 2nd October 1997), better known as s1mple or Sasha, is a Ukrainian professional Counter-Strike: Global Offensive player for Natus Vincere. He is considered to be one of the best players in Global Offensive history.

Alexander Yuryevich Pichushkin, also known as The Chessboard Killer and The Bitsa Park Maniac, is a Russian serial killer. He is believed to have killed at least 48 people, and possibly as many as 60, between 1992 and 2006 in Southwest Moscow's Bitsa Park, where a number of the victims' bodies were found. In 2007 he was sentenced to life imprisonment.

Sir Alexander Fleming was a Scottish physician and microbiologist, best known for discovering the enzyme lysozyme and the world's first broadly effective antibiotic substance which he named penicillin. He discovered lysozyme from his nasal discharge in 1922, and along with it a bacterium he named Micrococcus Lysodeikticus, later renamed Micrococcus luteus. His discovery of what is later named benzylpenicillin from the mould Penicillium rubens in 1928, is described as the "single greatest victory ever achieved over disease." For this discovery he shared the Nobel Prize in Physiology or Medicine in 1945 with Howard Florey and Ernst Boris Chain.

Alexander Alexandrovich Belov, commonly known as Sasha Belov was a Soviet basketball player. During his playing career, he played at the center position. Belov is most remembered for scoring the game-winning basket of the gold medal game of the 1972 Munich Summer Olympic Games, which gave the gold medal to the senior Soviet national team.

Alexander Yuryevich Enbert is a Russian retired pair skater. With Natalya Zabiyako, he was the 2019 World bronze medalist, 2018 European bronze medalist, 2018 Grand Prix of Helsinki champion, 2018 NHK Trophy champion, 2016 Rostelecom Cup silver medalist, and three-time Russian national medalist.

Alexander Gerst is a German European Space Agency astronaut and geophysicist, who was selected in 2009 to take part in space training. He was part of the International Space Station Expedition 40 and 41 from May to November 2014. Gerst returned to space on June 6, 2018, as part of Expedition 56/57. He was the Commander of the International Space Station. He returned to Earth on December 20, 2018. After the end of his second mission and before being surpassed by Luca Parmitano in 2020, he held the record for most time in space of any active ESA astronaut, succeeding Italian astronaut Paolo Nespoli, and German ESA astronaut Thomas Reiter, who formally held the record for the longest time in space for any active or retired ESA astronaut.

Alexander "Alex" Ludwig is a Canadian actor and singer. He first began his career as a child, and then received recognition as a teenager for starring in the films The Seeker: The Dark Is Rising (2007) and Race to Witch Mountain (2009). He shot to fame for starring as Cato in The Hunger Games (2012).

Alexander Aquayo Benede is a German footballer who plays as a left wing-back for SV Pullach.

Alexander Mikhailovich Zverev is a former professional tennis player from Russia who competed for the Soviet Union.

Friedrich Wilhelm Heinrich Alexander von Humboldt was a German polymath, geographer, naturalist, explorer, and proponent of Romantic philosophy and science. He was the younger brother of the Prussian minister, philosopher, and linguist Wilhelm von Humboldt (1767–1835). Humboldt's quantitative work on botanical geography laid the foundation for the field of biogeography. Humboldt's advocacy of long-term systematic geophysical measurement laid the foundation for modern geomagnetic and meteorological monitoring.