For the species of a similar name, please see T'Lani.
T'lana was a main character in the erotic holonovel, Vulcan Love Slave, Volume III. Her male counterpart was Shmun.
In 2375, Quark, in a moment of confusion, offered to call the mirror universe Ezri Tigan "T'lana" when he thought she was role-playing in an attempt to seduce him. (DS9: "The Emperor's New Cloak")
This character was only mentioned in dialogue.