Name

Sua, common name for the Dalbergia tonkinensis tree
Sua, a performance style of tautoga (dance), see Tautoga#Sua
Sua Pan, a large natural topographic depression within the Makgadikgadi region of Botswana
Sua people, an ethnic group of Aka pygmies in the Congo
Sua language, a Mel language of Guinea-Bissau
Sué, also spelled as Suá; god of the Sun of the Muisca
Sova, Iran, aka "Sua", a village in Mazandaran Province, Iran
Seilala Sua (born 1978), American discus thrower
Sua Rimoni Ah Chong (21st century), Samoan politician
Stage name of Kim Bo-ra (born 1994), member of K-Pop girl group Dreamcatcher.
Stage name of Yoo Soo-ah, member of K-Pop girl group CSR.

Acronym

Soka University of America, a liberal arts college in Aliso Viejo, California
Seamen's Union of Australia, a former trade union for Australian merchant seamen
World Council of Arameans abbreviated SUA for "Syriac Universal Alliance"
SCCP User Adaptation, a member of the SIGTRAN family of protocols
Single umbilical artery
Sokoine University of Agriculture, Tanzania
Special use airspace, in aviation
Sporting Union Agenais, a French rugby union club based in Agen, France
St. Ursula Academy (Toledo, Ohio), an all-girls high school in Toledo, Ohio
St. Ursula Academy (Cincinnati, Ohio), an all-girls high school in Cincinnati, Ohio
Subsystem for UNIX-based Applications, also known as Interix, a POSIX and Unix environment subsystem for the Windows NT operating systems
Sudden unintended acceleration
Convention for the Suppression of Unlawful Acts against the Safety of Maritime Navigation, often abbreviated "SUA"
Single-unit activity, a type of single-unit recording in neuroscience
Witham Field, Florida, IATA airport abbreviation SUA
Suicide attempt
A software usage agreement, similar to an EULA