Agena may refer to:==People== Christine Keiko Agena (1973), an American actress Astronomy a proper name of the star Beta Centauri or Hadar Other the RM-81 Agena rocket upper stage family developed by Lockheed, especially the Agena target vehicle used in preparation for the Apollo program lunar missions Agena (computer virus) a memory resident, file infecting computer virus the AMD K10 processor codename… (More on Agena)