Ana or ANA may refer to:
Anabolic steroids, also known more properly as anabolic-androgenic steroids (AAS), are steroidal androgens that include natural androgens like testosterone as well as synthetic substances that are structurally related and have similar effects to testosterone.
Standard anatomical terms of location deal unambiguously with the anatomy of animals, including humans.
In electronics, an analog-to-digital converter (ADC, A/D, A–D, or A-to-D) is a system that converts an analog signal, such as a sound picked up by a microphone or light entering a digital camera, into a digital signal.
Anarcho-capitalism is a political philosophy that advocates the elimination of the state in favor of individual sovereignty, private property, and free markets.
The Anaheim Ducks are a professional ice hockey team based in Anaheim, California. They are members of the Pacific Division of the Western Conference of the National Hockey League (NHL).