Arneth
Arneth is a surname. Notable people with the surname include:
- Joseph Calasanza, Ritter von Arneth (1791–1863), Austrian numismatist and archæologist
- Alfred Ritter von Arneth (1819–1897), Austrian historian, son of Joseph
- Josef Arneth (1873–1955), German physician and haematologist known for naming the Arneth count
- Arneth count or Arneth index describes the nucleus of a type of white blood cell called a neutrophil in an attempt to detect disease
{{surname|Arneth, von Arneth}}