Dyson may refer to: Dyson (surname), people with the surname Dyson Dyson (company), a Singaporean multinational home appliances company founded by James Dyson Dyson (crater), a crater on the Moon Dyson (operating system), a Unix general-purpose operating system derived from Debian using the illumos kernel, libc, and SMF init system Dyson sphere, a hypothetical megastructure that completely encompasses a star and captures most or all of its power output Dyson tree, a hypothetical plant suggested by physicist Freeman Dyson Eufloria (formerly called Dyson), a video game based on the idea of Dyson trees , a United States Navy destroyer in commission from 1942 to 1947 NOAAS Oscar Dyson (R 224), an American fisheries and oceanographic research ship in commission in the National Oceanic and Atmospheric Administration since 2005 Dysons, an Australian bus operator Dyson, a character in the Canadian television series Lost Girl See also Dysan, storage media company