Last name גלדווין (Gladwyn 
, גלדווין 
) , around the world, is a rare family name. The last name גלדווין is habitual in Isle of Man, where it is quite a rare surname, the United Kingdom, where it is a rare surname, and New Zealand. Not in comparison with a country's population, the name is most common in the United Kingdom, India, and the United States. More frequently, גלדווין is the forename as well as the last name.