Glycated hemoglobin (hemoglobin A1c or Hb<sub>A1c</sub>) is a surrogate marker for blood glucose levels.

A1C may also refer to:

  • A1C, a Rivian prototype vehicle
  • A1C spacesuit, an Apollo variant of the NASA Gemini spacesuit
  • Airman first class, an enlisted rank in the U.S. Air Force
  • A1C, a postal code in Downtown St. John's, Newfoundland Island, Canada

See also

  • AIC (disambiguation)
  • ALC (disambiguation)
  • Alpha-1A adrenergic receptor, formerly known also as the alpha-1C adrenergic receptor
  • , a container ship