Moebius may refer to:

• The comic strip artist Jean Giraud, who used the pseudonym Mœbius
• In mathematics, the mathematician August Ferdinand Möbius, and several mathematical concepts discovered by him, including:
  • The Möbius strip - an object with one surface and one edge
  • The Möbius function, Möbius transform, and Möbius inversion formula of number theory
  • The Möbius transformations of projective geometry
• Mobius syndrome