Upp

Upp may refer to:


 * Unpentpentium, an unsynthesized chemical element with atomic number 155 and symbol Upp
 * Upp (band), a British rock/jazz fusion band
 * and their album Upp (album) released in 1975
 * Jerry Upp (1883–1937), an American Major League Baseball player
 * Rex Upp, a president of the Association of Environmental & Engineering Geologists
 * Ultimate++, an open source IDE and widget toolkit