Hylan may refer to:
*
John F. Hylan, notable
Democrat
Democrat, Democrats, or Democratic may refer to:
Politics
*A proponent of democracy, or democratic government; a form of government involving rule by the people.
*A member of a Democratic Party:
**Democratic Party (United States) (D)
**Democratic ...
and
Mayor of New York City from 1918 to 1925
*
hyaluronan (also known as hyaluronic acid or hyaluronate)
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