Surname ג'ונסטון (Johnstone 
, Johnston , ג'ונסטון 
) , across the world, is a widespread cognomen. The cognomen ג'ונסטון is habitual in New Zealand, where it is a common surname, Seychelles, and Australia (explore the name in all countries). In absolute terms, it is commonest in the United States, the United Kingdom, and Australia. Much less frequently, ג'ונסטון is the forename as well as the last name.