Vidalia

Vidalia may refer to:


 * Vidalia (alga), a genus of red algae in the family Rhodomelaceae
 * Vidalia (fly), a genus of tephritid or fruit flies in the family Tephritidae


 * Places
 * Vidalia, Georgia
 * Vidalia, Georgia, micropolitan area, an area defined by the United States Census Bureau
 * Vidalia Regional Airport, in Georgia
 * Vidalia, Louisiana
 * Natchez–Vidalia Bridge, two twin cantilever bridges carrying US Routes 65, 84 and 425 across the Mississippi River between Vidalia, Louisiana and Natchez, Mississippi
 * Vidalia High School (disambiguation)
 * Vidalia High School (Louisiana)
 * Other
 * Vidalia onion, a sweet onion of certain varieties, grown in a production area defined by law in Georgia
 * Vidalia (software), a software program which is a cross-platform controller GUI for Tor, built using the Qt toolkit
 * "Vidalia" (song), a song recorded by Sammy Kershaw