Y108

Y108 may refer to:


 * CJXY-FM, a Mainstream Rock radio station in Hamilton, Ontario, Canada
 * WDSY-FM, a Mainstream Country radio station in Pittsburgh, Pennsylvania, U.S.
 * KRXY-FM, a CHR radio station in Denver, Colorado, U.S. during the 1980s and early 1990s
 * Yttrium-108 (Y-108 or 108Y), an isotope of yttrium