Junius is an American rock band from Boston, Massachusetts that formed in 2003. The band is composed of lead vocalist and guitarist Joseph E. Martinez, guitarist Michael Repasch-Nieves, bassist Joel Munguia and drummer Dana Filloon. Thus far, they have released three EPs and three full-length albums respectively. The band name is taken after Junius, the pseudonym of a political writer who lived during the late 18th century.