Ansa

• Agenzia Nazionale Stampa Associata, Italian news agency
• Ansa Mediterranean or ANSAmed, section of the above
• Applied Neuroscience Society of Australasia
• Association of Norwegian Students Abroad

• Ansa cervicalis, a loop of nerves that are part of the cervical plexus
• Ansa lenticularis, a part of the brain, making up the superior layer of the substantia innominata of Meynert
• Loop of Henle (ansa nephroni), a portion of a nephron in the kidney
• Ansa of the tympanal organ

• Ansae, compact nebulosities such as can be found in protoplanetary nebulae
• One of the apparent ends of the rings of Saturn

• Advanced Networked Systems Architecture, a 1990s, pre-CORBA, distributed systems architecture
• ANSA Pre-processor, commercial pre-processing software (Automatic Net-generation for Structural Analysis)

• Ansa (moth), a genus of moth
• In archaeology, the engraved and ornamented handle of a vase
• Bridge (chemical) between two functional groups/ligands
• Ansa-metallocene

• Ansa, Queen of the Lombards ({{floruit}} 753–774), wife of Desiderius, king of the Lombards
• Ansa Ikonen (1913–1989), Finnish actress
• Tina McElroy Ansa (born 1949), African American novelist, filmmaker, teacher, and journalist

• Ansa (Hinduism) or {{IAST|Aṃśa}}, a solar deity and one of the Adityas
• ANSA, equivalent of NASA in the 1968 film Planet of the Apes
• Armed non-state actors, a term used in political science
• National Security Advisor (United States), Assistant to the President for National Security Affairs

• Ansah, a given name and surname
• Anza (disambiguation)

{{Disambiguation}}