Talgat Amangeldyuly Musabayev (Kazakh: Талғат Аманкелдіұлы Мұсабаев; born 7 January 1951) is a Kazakh test pilot and former cosmonaut who flew on three spaceflights. His first two spaceflights were long-duration stays aboard the Russian space station Mir. His third spaceflight was a short duration visiting mission to the International Space Station, which also carried the first paying space tourist Dennis Tito. He retired as a cosmonaut in November 2003.

Grigori Grigoryevich Nelyubov (Russian: Григо́рий Григо́рьевич Нелю́бов; March 31, 1934 – February 18, 1966) was one of the original 20 Soviet cosmonauts, who was dismissed from the Soviet space program in 1963 for drunk and disorderly conduct. His existence in the program was kept secret until the advent of Soviet glasnost in the late 1980s. He committed suicide on February 18, 1966.

Rodolfo Neri Vela (born 19 February 1952) is a Mexican scientist and astronaut who flew aboard a NASA Space Shuttle mission in the year 1985. He is the first Mexican, and the second Latin American to have traveled to space.

Paolo Angelo Nespoli (Milan, 6 April 1957) is an Italian astronaut and engineer of the European Space Agency (ESA). In 2007, he first traveled into space aboard the Space Shuttle Discovery as a mission specialist of STS-120. In December 2010 he again traveled into space aboard the Soyuz TMA-20 spacecraft as an Expedition 26/27 flight engineer. Nespoli's third spaceflight was onboard Soyuz MS-05 which launched in July 2017 for Expedition 52/53. He is also the European Space Agency's oldest active astronaut.

Nie Haisheng is a Chinese military pilot and CNSA astronaut. In 1998, he was selected for the Chinese spaceflight program and was one of three candidates who were part of the final group to train for the Shenzhou 5 flight, China's first manned spaceflight. Yang Liwei was picked for the flight, with Zhai Zhigang ranked second ahead of Niè Hǎishèng. Nie went into orbit, along with Fei Junlong (commander), as flight engineer of the Shenzhou 6 flight on 12 October 2005. The mission lasted just under five days. He was selected to be the commander of the backup crew for the Shenzhou 9 mission. In 2013, Nie was selected to command the Shenzhou 10 second manned space mission to the first Chinese space station Tiangong 1. He became the first officer hold general rank at the time of their launch in the Chinese program with the Shenzhou 10 mission.

Andriyan Grigoryevich Nikolayev was a Soviet cosmonaut. He was an ethnic Chuvash. Nikolayev flew on two space flights: Vostok 3 (effectively becoming the third Soviet cosmonaut) and Soyuz 9. His call sign in these flights was Falcon (Russian: Со́кол). On both, he set new endurance records for the longest time a human being had remained in orbit. He also served as backup for the Vostok 2 and Soyuz 8 missions.

Soichi Noguchi (野口 聡一 Noguchi Sōichi, born 15 April 1965 in Yokohama, Japan) is a Japanese aeronautical engineer and former JAXA astronaut. His first spaceflight was as a Mission Specialist aboard STS-114 on 26 July 2005 for NASA's first "return to flight" Space Shuttle mission after the Columbia disaster. He was most recently in space as part of the Soyuz TMA-17 crew and Expedition 22 to the International Space Station (ISS), returning to Earth on 2 June 2010. He is the fifth Japanese astronaut to fly in space and the fourth to fly on the space shuttle.

Oleg Viktorovich Novitskiy, lieutenant colonel in the Russian Air Force, is a Russian cosmonaut. Novitskiy was selected as a cosmonaut in 2006.Between February 2007 to July 2009 he completed basic spaceflight training and passed state exams with excellent grades. On August 1, 2009, he was qualified as a test-cosmonaut by the Interdepartmental Qualification Board, and between August 2009 to March 2010 he took the ISS advanced training course.

Dr Wubbo Johannes Ockels (28 March 1946 – 18 May 2014) was a Dutch physicist and an astronaut of the European Space Agency (ESA). In 1985 he participated in a flight on the Space Shuttle Challenger, STS-61-A, making him the first Dutch citizen in space.

Takuya Onishi (大西 卓哉 Ōnishi Takuya, born 1975) is a Japanese astronaut selected for the Japan Aerospace Exploration Agency (JAXA) in 2009.[1] He spent four months onboard the International Space Station in 2016.

Col. Yuri Ivanovich Onufriyenko (Russian: Юрий Иванович Онуфриенко, Ukrainian: Юрій Іванович Онуфрієнко) (born 6 February 1961) is a retired Russian cosmonaut. He is a veteran of two extended spaceflights, aboard the space station Mir in 1996 and aboard the International Space Station in 2001-2002.

Aleksey Nikolayevich Ovchinin born 28 September 1971 in Rybinsk, Yaroslavl Oblast, Russian SFSR is a Russian Air Force Major and cosmonaut, who was selected in 2006. Ovchinin made his first spaceflight in 2016, and was assigned as Commander of Soyuz MS-10 in 2018.