Last name دايسون (Dyson 
, Dajson 
, دايسون) , in all the world, is a common cognomen. The last name دايسون is characteristic of British Virgin Islands, where it is quite a common surname, Isle of Man, and the United Kingdom (explore the name in all countries). Not in comparison with a country's population, it most frequently occurs in the United States, the United Kingdom, and Australia. Much less frequently, دايسون is the forename as well as the last name.