Worldwide, ארין (Erin 
, ארין 
) is a widespread female given name. The first name ארין is habitual in Guam, where it is quite a common feminine name, the United States, and Australia (explore the name in all countries). In absolute terms, this name is the most popular in the United States, Australia, and Indonesia. Very seldom, ארין is the last name as well as the forename.
ארין is also a name for the fictitious and mythical characters: Silver , the fictional character on The CW television series 90210; Erin Lindsay , the fictional character from the television series Chicago P.D., Chicago Fire; Erin Hannon , the fictional character in NBC's The Office; Erin Watts , the fictional character from the TV series Spooks, Spooks: The Greater Good and Erin Gilbert , the fictional character in the Ghostbusters franchise, among other works.