USS Serpens may refer to:

• {{USS|Serpens|AK-97}}, a United States Coast Guard-manned {{sclass-|Crater|cargo ship}} in World War II.
• {{USS|Serpens|AK-266}}, an {{sclass-|Alchiba|cargo ship|2}} that was on loan to South Korea for the duration of its Navy career (1951–1960).

• Dummy-half
• Dummy half
• Dummy Leitner
• Dummy Love
• Dummy Murphy
• Dummy purchaser
• Dummy (Pushing Daisies episode)
• Dummy run
• Dummy-runner
• Dummy runner
• Dummy Stephenson
• Dummy tank
• Dummy tanks
• Dummy Text
• Dummy thermostat
• Dummy torpedo
• Dummy variable
• Dummy variable (disambiguation)
• Dummy variables
• Dummy variable trap
• Dummy whist
• Dumnagual Hen
• Dumnagual I
• Dumnagual II
• Dumnagual III