Georgy Dobrovolsky
Nationality: Russian
Russian Federal Space Agency (ROSCOSMOS)
Lost In Flight
Takao Doi
Nationality: Japanese
Japan Aerospace Exploration Agency
Retired
Pedro Duque
Nationality: Spanish
European Space Agency
Retired
Lev Dyomin
Nationality: Russian
Russian Federal Space Agency (ROSCOSMOS)
Deceased
Vladimir Dzhanibekov
Nationality: Russian
Russian Federal Space Agency (ROSCOSMOS)
Retired
Reinhold Ewald
Nationality: German
European Space Agency
Retired
Léopold Eyharts
Nationality: French
European Space Agency
Active
Muhammed Faris
Nationality: Syrian
Russian Federal Space Agency (ROSCOSMOS)
Retired
Bertalan Farkas
Nationality: Hungarian
Russian Federal Space Agency (ROSCOSMOS)
Retired
Jean-Jacques Favier
Nationality: French
National Center of Space Research
Deceased
Fei Junlong
Nationality: Chinese
China National Space Administration
Active
Konstantin Feoktistov
Nationality: Russian
Russian Federal Space Agency (ROSCOSMOS)
Deceased