U.S. Avellino 1912

Unione Sportiva Avellino 1912, commonly referred to as US Avellino 1912, is an Italian professional football club based in Avellino, Campania. It competes in Serie B, the second tier of Italian football.

It is the official continuity club of US Avellino 1912, known worldwide for having competed in Serie A for ten consecutive seasons, from 1978–1979 to 1987–1988. The team went through two major reboots: once, in 2009, when it went bankrupt, and then, in 2018, when it was excluded from Serie B. In both cases, new clubs were founded to join the Serie D league.