Below are images of alternate versions of female characters from the STAR TREK franchise.
Most of the characters featured below are from episodes about the franchise's Mirror Universe. Those characters with the indicator [prime] next to their names are from the franchise's Prime Universe, who ended up in the Mirror Universe. As for the "STAR TREK VOYAGER" characters . . . they are either erroneous or fictionalized versions.
ALTERNATE VERSIONS OF "STAR TREK" WOMEN CHARACTERS
Commander T’Pol ("STAR TREK ENTERPRISE")
Lieutenant/Empress Hoshi Sato ("STAR TREK ENTERPRISE")
Captain Michael Burnham [prime Specialist] ("STAR TREK DISCOVERY")
Captain Sylvia Tilly [prime Cadet] ("STAR TREK DISCOVERY")
Empress Philippa Georgiou ("STAR TREK DISCOVERY")
Lieutenant Nyota Uhura [prime] ("STAR TREK")
Lieutenant Marlena Moreau ("STAR TREK")
Intendant Kira Nerys ("STAR TREK DEEP SPACE NINE")
Jadzia Dax ("STAR TREK DEEP SPACE NINE")
Captain Kathryn Janeway [Kyrian historical program] ("STAR TREK VOYAGER")
Seven-of-Nine [Kyrian historical program] ("STAR TREK VOYAGER")
Captain Jenkins [the Doctor’s holonovel, "Protons Are Free"] ("STAR TREK VOYAGER")
Lieutenant Torrey [the Doctor’s holonovel, "Protons Are Free"] ("STAR TREK VOYAGER")
Three-of-Eight [the Doctor’s holonovel, "Protons Are Free"] ("STAR TREK VOYAGER")
Two-of-Three [the Doctor’s holonovel, "Protons Are Free" - the Paris Edition] ("STAR TREK VOYAGER")