Huygens (also Huijgens, Huigens, Huijgen/Huygen, or Huigen) is a Dutch patronymic surname, meaning "son of Hugo". Most references to "Huygens" are to the polymath Christiaan Huygens. Notable people with the surname include:
Jan Huygen (1563–1611), Dutch voyager and historianConstantijn Huygens (1596–1687), Dutch poet, diplomat, scholar and composerConstantijn Huygens, Jr. (1628–1697), Dutch statesman, soldier, and telescope maker, son of Constantijn HuygensChristiaan Huygens (1629–1695), Dutch mathematician, physicist and astronomer, son of Constantijn HuygensLodewijck Huygens (1631–1699), Dutch diplomat, the third son of Constantijn HuygensCornélie Huygens (1848-1902), Dutch writer, social democrat and feministLéon Huygens (1876–1918), Belgian painterJan Huijgen (1888-?), Dutch speedwalkerChristiaan Huijgens (1897-1963), Dutch long-distance runnerWil Huygen (1922-2009), Dutch children's and fantasy writer, e.g. of Gnomes