Astronauts 6 / 15
James Buchli (1945)
James C. Adamson (1946)
James D. Halsell (1956)
James Dutton (1968)
James F. Reilly (1954)
James H. Newman (1956)
James Irwin (1930)
James M. Kelly (1964)
James M. Taylor (1930)
James McDivitt (1929)
James P. Bagian (1952)
James S. Voss (1949)
James van Hoften (1944)
James W. Wood (1924)
Jan Davis (1953)
Janet L. Kavandi (1959)
Janice E. Voss (1956)
Jay C. Buckey (1956)
Jean-François Clervoy (1958)
Jean-Jacques Favier (1949)
Jean-Loup Chrétien (1938)
Jean-Pierre Haigneré (1948)
Jeanette J. Epps (1970)
Jeffrey A. Hoffman (1944)
Jeffrey Ashby (1954)
Jeffrey Williams (1958)
Jeremy Hansen (1976)
Jerome Apt (1949)
Jerry L. Ross (1948)
Jerry M. Linenger (1955)
Jessica Meir (1977)
Jim Lovell (1928)
Jim Wetherbee (1952)
Jing Haipeng (1966)
Joan Higginbotham (1964)
Joe Engle (1932)
John B. McKay (1922)
John Casper (1943)
John D. Olivas (1965)
John E. Blaha (1942)