Ammonia is a chemical compound with the formula NH₃.

Ammonia may also refer to:

• Ammonia (band), an Australian rock band
• Ammonia (genus), a widespread genus of estuarine foraminiferan
• Ammonium hydroxide, a cleaning chemical commonly referred to as ammonia
• Hera Ammonia, an epithet of Greek goddess Hera
• Ammonia, the ancient name of Mersa Matruh
• SF Ammonia, a railway ferry in Norway
• Ammonia (data page)

See also[edit]

• Pneumonia