- For another meaning of "Witch", please see Witch (shuttle).
A witch was a title assumed by, or given to, a person capable of feats of magic, whether real or created through trickery or advanced technology. In Human mythology, a witch was usually female. (TAS episode: "The Magicks of Megas-Tu")
During the late 17th century in the settlement of Salem on Earth, some Megans—who were living as humans—were accused of being witches and given the death penalty during the Salem witch trials. (TAS episode: "The Magicks of Megas-Tu")
On the planet Pyris VII in the year 2267, three illusory witches appeared before a landing party from the USS Enterprise as part of a study conducted by Korob and Sylvia. (TOS episode & Star Trek 8 novelization: Catspaw)
In the year 2273, a witch named Black Annis appeared aboard the USS Enterprise and terrorised Montgomery Scott. She also injured several of the Enterprise crew and killed two security guards. Black Annis was later revealed to be created by Andrea Manning from Commander Scott's subconscious. (TOS - The Further Adventures of the Starship Enterprise comic: "... Like a Woman Scorned!")
In 2375, Riku allowed his eight-year old daughter to name his three newest shuttles. In a reference to The Lion, the Witch, and the Wardrobe, she named one of them Witch. (DS9 - The Left Hand of Destiny novel: Book Two)
In the 2410s, Adet'pa, a survivor of the disbanded House of Mo'Kai, was known as the "witch of Nimbus III". In 2410, Kurn and his wife B'irja visited Adet'pa somewhere outside Paradise City. (STO - Escalation short story: "Tale of the Witch")
In the 2550s decade, the Nachthexen-class starship was a type of battlecruiser in Starfleet service. In 2554, the USS Defiant-C was a Nachthexen-class ship. The name meant "night witches" in the German language. (STO - Agents of Yesterday short story: "No Profit But The Name")