Surrogate pregnancy, an arrangement for a woman to carry and give birth to a child who will be raised by othersSex surrogate, in sexual therapySurrogate marriage, a custom in African culture
Economics
Ersatz, an artificial replacement differing in kind from and inferior in quality to what it replaces.
Arts
Author surrogate or audience surrogate, reciprocal literary techniquesThe Surrogates, a comic book seriesSurrogates (film), a 2009 film based on the comic book seriesThe Surrogate (1995 film), a TV movie starring Alyssa MilanoThe Surrogate (2012 film), a film starring John Hawkes, Helen Hunt, and William H. Macy"Surro-Gate", an episode of the cartoon series American Dad!"The Surrogate" (The Outer Limits), an episode of the 1990s version of The Outer Limits seriesSurrogate Paintings, a series by American artist Allan McCollum
Science and technology
Surrogate model, used in engineering designSurrogate endpoint, a measure of effect in clinical trialsSurrogate key, a unique database identification keySurrogate proxy, a type of server network setupSurrogate character, any of a range of Unicode codepoints which are used in pairs in UTF-16 to represent characters beyond the Basic Multilingual Plane.
Other uses
Surrogate (clergy), a deputy of a bishop or ecclesiastical judgeSurrogate Court, a court primarily concerned with the distribution of assets of a decedentSurrogate alcohol, a substance containing alcohol that is consumed, though it is not meant for human consumption
