Ansa
- ANSA Pre-processor
- Advanced Networked Systems Architecture
- Agenzia Nazionale Stampa Associata
- Ansa (Hinduism)
- Ansa (moth)
- Ansa Ikonen
- Ansa Mediterranean
- Ansa cervicalis
- Ansa lenticularis
- Ansa, Queen of the Lombards
- Ansa-metallocene
- Ansah
- Anza (disambiguation)
- Applied Neuroscience Society of Australasia
- Association of Norwegian Students Abroad
- Bridge (chemical)
- Loop of Henle
- National Security Advisor (United States)
- Nebulosity
- Planet of the Apes (1968 film)
- Tina McElroy Ansa