"Rupp" or "RUPP" serves as a multifaceted identifier, referring to both an acronym and a common surname associated with various entities and notable individuals. As an initialism, "RUPP" can denote the Royal University of Phnom Penh or concepts like "Roads used as public paths." The name is also famously linked to Rupp Industries, a Mansfield, Ohio company founded by car racer Mickey Rupp in the late 1950s, which produced popular go-karts, mini-bikes, and snowmobiles until 1978.

Among the many prominent figures bearing the surname, Adolph Rupp (1901–1977) stands out as a legendary American basketball coach, whose legacy is honored by the Adolph Rupp Trophy and the famous Rupp Arena. Other well-known individuals include actress Debra Jo Rupp, Olympic athlete Galen Rupp, and numerous figures in sports, politics, and academia, illustrating the name's broad presence across diverse fields.