Biomarker (disambiguation)

Biomarker broadly refers to a measurable indicator of some biological state or condition.

Biomarker or biomarkers may refer more specifically to:
 * Biomarker (aging), molecular indicator of biological age
 * Biomarker (medicine), a measurable indicator of the severity or presence of some disease state
 * Biomarker (Alzheimer's), indicator of Alzheimer's disease
 * Biomarker (cancer), indicator of cancer
 * Tumor biomarker, a molecule secreted by a tumor
 * Biomarker (diabetes), indicator of diabetes mellitus
 * Imaging biomarker, an attribute in a medical image or scan indicative of a condition or disease
 * Biomarker (toxicology), indicator of exposure to a chemical
 * Biomarkers (journal), a peer-reviewed academic journal of biomarker research
 * Biosignature, or biomarker, a fossil organic molecule that provides evidence of past or present life