Claustrophobia is the fear of closed, tight places.

Claustrophobia may also refer to:

• Brazilian Jiu Jitsu Sharktank
• Claustrophobia (2008 film), a 2008 Hong Kong romantic drama film
• Claustrophobia (2003 film), a 2003 horror thriller
• Claustrophobia (2011 film), directed by Russell Harvard
• "Claustrophobia" (Code Lyoko episode)
• "Claustrophobia", 1965 song by the Bee Gees

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• Euthyroid sick syndromes
• Euthyrox
• Euthyrrhapha
• Euthyrrhaphinae
• Eutichius of Ravenna
• Eu timeline
• Eutingen
• Eutingen (Gäu)
• Eutingen im Gäu
• Eutin UNRRA displaced persons camp
• Eutirox
• Eutoca
• Eutocius of Ascalon
• Eu Tong Sen
• Eu Tong-Sen
• Eu Tong-sen
• Eu Tong Sen Street
• Eutony
• Eutopia (short story)
• Eutoxeres
• Eutoxeres aquila
• Eutoxeres condamini
• E-UTRA
• EU Treaties