Cassegrain may refer to Cassegrain reflector, a design used in telescopes Cassegrain antenna, a type of parabolic antenna Cassegrain (crater), on the Moon a Belgian canned vegetables producer now part of Bonduelle S.A. People : Guillaume Cassegrain, a French sculptor Giovanni Cassegrain, a French sculptor Jean Cassegrain, a French businessman, founder of Longchamp in 1948 Laurent Cassegrain, a Catholic priest and teacher and probably the inventor of the Cassegrain Reflector