Guichen (disambiguation)

Guichen may refer to the following:

• Luc Urbain de Bouëxic, comte de Guichen, a French naval officer

• Guichen Bay, a bay in South Australia
  • Guichen Bay Conservation Park, a protected area in South Australia

• Guichen, a commune in northwestern France
• Canton of Guichen, a canton in northwestern France

• French ship Guichen, two ships of the French navy.