Bollen may refer to:
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Bollen (surname)
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Böllen, a municipality of Germany
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Bollén
''Kageneckia oblonga'' (also known as bollen) is a species of flowering plant in the family ''Rosaceae''. It is an evergreen tree endemic to Chile. It grows from Coquimbo to Malleco (29 to 38°S). Example occurrences are found specifically found ...
, a species of tree in the Rose family
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