78

78 may refer to:

• 78 (number), the natural number following 77 and preceding 79
• one of the years 78 BC, AD 78, 1978, 2078
• 78 RPM phonograph (gramophone) record
• The 78, a proposed urban development in Chicago, Illinois, US
• 78 Diana, a main-belt asteroid

See also

• 78th (disambiguation)
• '78 (disambiguation)
• 78ers, a group of LGBTQ activists
• All pages with titles containing 78
• List of highways numbered 78