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In all the world, 凯林 (凯林 , Kaylynn , Kaelin ) is quite a common gender-neutral forename. The first name 凯林 is habitual in the United States, where it is a rare primarily girly, but scarcely boy's name, Hong Kong, where it is a rare feminine name, and China, where it is a rare dominantly boy's, but uncommonly girly name. Measured by absolute frequency, it is commonest in China, the United States, and South Africa. Much less frequently, 凯林 is the last name as well as the forename.
凯林 is also a name for the fictitious and mythical characters: Kaylynn Langerak , the fictional character from The Sims video game series, one of the most known non-playable characters of The Sims 2, The Sims 3.