List of Famous people named Seymour

Seymour Henry Bathurst, 7th Earl Bathurst, CMG, TD, JP, DL was a British nobleman, soldier and newspaper owner.

Seymour Kneitel was an American animator, best known for his work with Fleischer Studios and its successor, Famous Studios.

Seymour Stein is an entrepreneur and music executive. He co-founded Sire Records and was Vice President of Warner Bros. Records. With Sire, Stein signed bands that became central to the new wave era of the 1970s and 80s, including Talking Heads, the Ramones, and The Pretenders. He was inducted into the Rock and Roll Hall of Fame in 2005.

Seymour Roger Cray was an American electrical engineer and supercomputer architect who designed a series of computers that were the fastest in the world for decades, and founded Cray Research which built many of these machines. Called "the father of supercomputing", Cray has been credited with creating the supercomputer industry. Joel S. Birnbaum, then chief technology officer of Hewlett-Packard, said of him: "It seems impossible to exaggerate the effect he had on the industry; many of the things that high performance computers now do routinely were at the farthest edge of credibility when Seymour envisioned them." Larry Smarr, then director of the National Center for Supercomputing Applications at the University of Illinois said that Cray is "the Thomas Edison of the supercomputing industry."

Seymour Benzer was an American physicist, molecular biologist and behavioral geneticist. His career began during the molecular biology revolution of the 1950s, and he eventually rose to prominence in the fields of molecular and behavioral genetics. He led a productive genetics research lab both at Purdue University and as the James G. Boswell Professor of Neuroscience, Emeritus, at the California Institute of Technology.

Seymour Geisser was an American statistician noted for emphasizing predictive inference. In his book Predictive Inference: An Introduction, he held that conventional statistical inference about unobservable population parameters amounts to inference about things that do not exist, following the work of Bruno de Finetti. He also pioneered the theory of cross-validation.

Seymour Martin Lipset was an American sociologist. His major work was in the fields of political sociology, trade union organization, social stratification, public opinion, and the sociology of intellectual life. He also wrote extensively about the conditions for democracy in comparative perspective. A socialist in his early life, Lipset later moved to the right, and was often considered a neoconservative.