Ruah () is a surname of Hebrew origin. Notable people with the surname include:
Daniela Ruah (born 1983), Portuguese-American actress from the NCIS Los Angeles TV series (1892–1958), Portuguese engineer, soldier and photographer Maurice Ruah (born 1971), Venezuelan tennis player
See also
Revach (similar spelling in ) Rûaħ or ruach, a Hebrew word meaning ‘breath, spirit’
he:רוח