Peer review is the evaluation of work by one or more people with similar competencies as the producers of the work. It may also refer to:

• Clinical audit, a systematic review of healthcare against an explicit standard
• Clinical peer review, the process by which health care professionals evaluate each other's clinical performance
  • Medical peer review, the process of refereeing healthcare practitioner decisions
• Peer feedback, a classroom practice where students give each other feedback
• Physician peer review, the process by which physicians evaluate each other to promote better quality of care
• Scholarly peer review, the process of refereeing scholarly papers
• Sham peer review, the process of pseudo-review done for political purposes, often in healthcare
• Software peer review in software development
• Technical peer review in systems engineering

• Peer Review, a DLC for Portal 2
• Peer Review (magazine), an academic magazine

• Performance appraisal in the workplace