Rass or RASS may refer to:
Places Ar Rass a city in central Saudi Arabia Rass, Bareq, a neighborhood in southwestern Saudi Arabia See also Ar Rass (disambiguation) and Ras (disambiguation)#Places for similarly named places
People Ralph Felton, nicknamed "Rass", (1932–2011), American football player Andreas Räss (1794–1887), German bishop Manuel Rass (born 1998), South African rugby player Murad Raas (born 1969), Pakistani politician
Science and technology Radio acoustic sounding system ROSAT All-Sky Survey Richmond Agitation-Sedation Scale