79 may refer to:
79 (number)
one of the years 79 BC, AD 79, 1979, 2079
Eruption of Mount Vesuvius in 79, a catastrophic volcanic eruption in Italy
79 A.D., a 1962 historical epic film about the eruption
Dimension 79⊢⊇V, the main antagonist of Rick and Morty from a parallel Earth.
79 Eurynome, a main-belt asteroid