From Wikipedia, the free encyclopedia

A surrogate is a substitute or deputy for another person in a specific role and may refer to:


  • Surrogacy, an arrangement where a woman agrees to carry and give birth to a child for another person who will become its parent at birth
  • Sexual surrogate, in sexual therapy
  • Surrogate marriage, a custom in Zulu culture



Science and technology[edit]

  • Surrogate model, used in engineering design
  • Surrogate endpoint, a measure of effect in clinical trials
  • Surrogate key, a unique database identification key
  • Surrogate proxy, a type of server network setup
  • Surrogate mechanism, which allows UTF-16 to represent Unicode code points beyond the Basic Multilingual Plane as a pair of surrogate code points
  • Surrogate data testing, a technique for identifying possible nonlinearity in data.
  • Surrogate, used in library science. Metadata is created to represent information resources. The metadata serves as the surrogate for stored information resources.
  • Surrogate species, used in ecology and conservation biology to indicate the following:

Other uses[edit]

  • Surrogate (clergy), a deputy of a bishop or ecclesiastical judge
  • Surrogate Court, a court primarily concerned with the distribution of assets of a decedent
  • Surrogate alcohol, a substance containing alcohol that is consumed, though it is not meant for human consumption