MALE: A
B C D E
F G H I J K
L M N O P Q
R S T U V
W X Y Z
FEMALE: A B C D E
F G H I J K L M
N O P Q R S T
U V W X Y Z
| Name | Series | Episode |
| Xavier Harkonnen | Dune | |
| Xeno Fenner | Battlestar Galactica | Dirty Hands |
| Xepolite | Star Trek: DS9 | The Maquis |
| Xerxes | Dune | |
| Yaddle | Star Wars | Episode 1: The Phantom Menace |
| Yale | Earth 2 | various |
| Yana, Professor | Dr. Who | Utopia |
| Yang, Private | Babylon 5 | GROPOS |
| Yarnek | Star Trek- OS | The Savage Curtain |
| Yartek | Dr. Who | The Keys of Marinus |
| Yates | Dr. Who | various |
| Yedrin | Star Trek: DS9 | Children of Time |
| Yelgrun | Star Trek: DS9 | The Magnificent Ferengi |
| Yeln | Star Trek: DS9 | Second Skin |
| Yendom | Dr. Who | The Ark |
| Yeng | Dr. Who | Marco Polo |
| Yeto | Star Trek: DS9 | Invasive Procedures |
| Yoda | Star Wars | Episode 1: The Phantom Menace |
| Yog | Star Trek: NG | Firstborn |
| Yolad | Star Trek: DS9 | Equilibrium |
| Yost | Star Trek: Voyager | Gravity |
| Yranac | Star Trek: NG | Gambit |
| Yrcanos, King | Dr. Who | Mindwarp |
| Y'Sek | Star Trek: Voyager | Think Tank |
| Yuri | Babylon 5 | A Call to Arms |
| Za | Dr. Who | an Unearthly Child |
| Zaaf | Dune | |
| Zachary Cross Flane | Dr. Who | The Impossible Planet |
| Zack Allan | Babylon 5 | various |
| Zadek | Dr. Who | The Androids of Tara |
| Zahir | Star Trek: Voyager | Darkling |
| Zahl | Star Trek: Voyager | Year of Hell |
| Zaius, Dr. | Planet of the Apes | Planet of the Apes |
| Zak Adama | Battlestar Galactica | Act of Contrition |
| Zake | Dr. Who | The Sontaran Experiment |
| Zarak | Dr. Who | Time Flight |
| Zargo | Dr. Who | State Of Decay |
| Zaroff, Professor | Dr. Who | The Ultimate Warrior |
| Zastor | Dr. Who | Meglos |
| Zathras | Babylon 5 | various |
| Zayner | Star Trek: NG | The Hunted |
| Zayra | Star Trek: DS9 | A Man Alone |
| Zazzka | Dr. Who | The Hand of Fear |
| Zbrigniev, Sergeant | Dr. Who | Battlefield |
| Zed | Dr. Who | Dragonfire |
| Zee | Blake's 7 | Gambit, Powerplay |
| Zee, Dr. | Battlestar Galactica | Original Series |
| Zef'no | Star Trek: DS9 | The Circle |
| Zefram Cochrane | Star Trek- OS | Metamorphosis |
| Zek | Star Trek: DS9 | various |
| Zentos | Dr. Who | The Ark |
| Zephon | Dr. Who | The Daleks' Masterplan |
| Zero | Earth 2 | various |
| Zett Jukassa | Star Wars | Episode III: Revenge of the Sith |
| Zev Senesca | Star Wars | The Empire Strikes Back |
| Zey Nep | Star Wars | Episode II: Attack of the Clones |
| Zimmerman | Star Trek: DS9 | Dr. Bashir, I Presume? |
| Zio | Star Trek: Voyager | The Chute |
| Zlangco | Star Trek: DS9 | Battle Lines |
| Zoal | Dune | |
| Zolan | Star Trek: DS9 | Cardassians |
| Zoldaz | Dr. Who | State Of Decay |
| Zondal | Dr. Who | Ice Warriors |
| Zooty | Babylon 5 | Day of the Dead |
| Zorac | Dr. Who | Arc of infinity |
| Zorn | Star Trek: NG | Encounter at Farpoint |
| Zukan | Blake's 7 | Warlord |
| Zuko | Dr. Who | Planet of Fire |
| Zum Garon | Dune | |
| Zutton | Star Wars | Episode IV: A New Hope |