USS Ferret may refer to the following ships of the United States Navy:
was a brig commissioned in 1809; changed names to Viper in 1810 and served until captured in 1813. was a schooner commissioned in 1812 serving until she grounded and broke up in 1814. was a schooner purchased in 1822 that suppressed piracy in the Caribbean until 1825 when she capsized in a gale.