Hosta

• Lists of science fiction characters‎ (3 C, 13 P)
• Science fiction characters by franchise‎ (15 C)
• Science fiction characters by medium‎ (8 C)

-

• Military science fiction characters‎ (11 C, 14 P)
• Science fantasy characters‎ (7 C, 4 P)

A

• Fictional artificial intelligences‎ (2 C, 84 P)
• Fictional astronauts‎ (5 C, 80 P)

C

• Fictional cyborgs‎ (5 C, 119 P)

E

• Fictional extraterrestrial characters‎ (12 C, 91 P)

G

• Fictional genetically engineered characters‎ (4 C, 41 P)

R

• Fictional robots‎ (8 C, 149 P)

S

• Fictional scientists‎ (13 C, 127 P)
• Space pirates‎ (1 C, 54 P)

T

• Fictional technopaths‎ (1 C, 75 P)

A

• Alraune
• List of The Amory Wars characters
• Steve Austin (character)

B

• Bárbara (comics)
• Bing Dwen Dwen and Shuey Rhon Rhon
• Maureen Birnbaum, Barbarian Swordsperson
• Baron Bodissey

C

• Captain Future
• Hagbard Celine

D

• Phil D'Amato
• Dan Dare
• Dr. Volumnia Gaul
• Duck Dodgers
• Danny Dunn

E

• Electric Bob
• List of Eureka characters

F

• Rudolph Fentz
• Dominic Flandry

G

• G.One (character)
• John Galt
• Gort (The Day the Earth Stood Still)

H

• Henry Hoke (fictional inventor)

K

• Allan Kämpe

L

• Lone Sloane
• Matthew Looney

M

• Gennady Malianov
• Miraitowa and Someity

O

• Bucky O'Hare

Q

• Bernard Quatermass

R

• Ra.One (character)
• Reggie (Phantasm)

S

• Sarvan (comics)
• Jaime Sommers (Bionic Woman)
• Jaime Sommers (The Bionic Woman)
• Space Cabbie
• Space Mouse
• Space pirate
• Jonathan Steele (comics)

T

• Tall Man (Phantasm)

V

• Volumnia Gaul
• Miles Vorkosigan