ACU may refer to:
Acupuncture is a form of alternative medicine in which thin needles are inserted into the body. It is a key component of traditional Chinese medicine (TCM).
Acute myeloid leukemia (AML) is a cancer of the myeloid line of blood cells, characterized by the rapid growth of abnormal white blood cells that build up in the bone marrow and interfere with the production of normal blood cells.
Acute radiation syndrome (ARS), also known as radiation poisoning, radiation sickness, or radiation toxicity, is a collection of health effects that are present within 24 hours of exposure to high amounts of ionizing radiation.
Acute respiratory distress syndrome (ARDS) is a medical condition occurring in critically ill patients characterized by widespread inflammation in the lungs.
Acumatica, founded in 2008, is a technology provider that develops adaptable cloud- and browser-based enterprise resource planning (ERP) software designed to improve productivity of small and medium-sized businesses (SMBs).
The Acura ARX-01, later known as the HPD ARX-01 is a series of Le Mans Prototype built for sports car racing, specifically in the American Le Mans Series, Le Mans Series, and at the 24 Hours of Le Mans.
Acute lymphoblastic leukemia, also known as acute lymphocytic leukemia or acute lymphoid leukemia (ALL), is an acute form of leukemia, or cancer of the white blood cells, characterized by the overproduction and accumulation of cancerous, immature white blood cells, known as lymphoblasts.
Acute pancreatitis or acute pancreatic necrosis is a sudden inflammation of the pancreas. It can have severe complications and high mortality despite treatment.
The acute accent ( ´ ) is a diacritic used in many modern written languages with alphabets based on the Latin, Cyrillic, and Greek scripts.