"Cyber" (サイバー Saibā) is an archetype of cards used by several characters in the Yu-Gi-Oh! GX anime and manga, most prominently Zane Truesdale and Alexis Rhodes. It includes the "Cyber Angel", "Cyber Dragon" and "Cyberdark" archetypes, as well as the "Cyber Girl" series. Support had previously existed only in the anime and manga, but a support card for their Spells and Traps debuted for the OCG in Structure Deck: Blitzkrieg of the Mechlight Dragons. TCG and OCG support for this archetype continues to be limited to its Spells/Traps to this day.

Duelists who use this archetype are said to be practitioners of "Cyber Style".

Thematically, the cards in this archetype tend to resemble futuristic warriors (for the "Cyber Girls") or mythological beasts as well as stars in the Draco constellation (for the other "Cyber" monsters).

Although they are related to the "Cybernetic" archetype, they are a separate group of cards. Since all support for the "Cyber" archetype also supports the "Cybernetic" archetype, in the TCG (in English, French, Spanish, and Portuguese), the "Cybernetic" archetype is treated as a subset of the "Cyber" archetype.

"Cyber Commander", "Cyber Falcon", "Cyber Saurus", "Cyber Soldier", "Cyber Soldier of Darkworld", "Cyber-Stein", "Cyber-Tech Alligator", and all "Cybernetic" cards are not considered to be part of this archetype, as their Japanese names do not contain 「サイバー」.

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