Last name イースト (East 
, イースト 
, Isuto 
) , around the globe, is a common cognomen. The family name イースト is habitual in Isle of Man, where it is quite a common surname, Jamaica, and the United Kingdom, where it is quite a rare surname. Not in comparison with a country's population, the name is most common in the United States, the United Kingdom, and Australia. Much less frequently, イースト is the forename as well as the last name.