Sua or SUA may refer to:
Sua was a hero-god of the Muyscas of South America, also called Bachica or Nemquetaha. The name signifies "day" or "east." He taught them the arts of life, and, like Quetzalcoatl, disappeared. Like the latter, he was a personification of the sun.
The Convention for the Suppression of Unlawful Acts against the Safety of Maritime Navigation (SUA) or Sua Act is a multilateral treaty by which states agree to prohibit and punish behaviour which may threaten the safety of maritime navigation.
The Convention is based upon the 1971 Convention for the Suppression of Unlawful Acts Against the Safety of Civil Aviation and the Convention for the Suppression of Unlawful Seizure of Aircraft and criminalises similar behaviour in the context of maritime navigation.
The Convention criminalises the following behaviour:
