Rohm is a Japanese semiconductor manufacturer.
Rohm, Roehm, (and variants as to casing and/or diacritical marks) also may refer to:
People bearing such a name
Elisabeth Röhm (born 1973), German/American television actress
Maria Rohm (1945–2018), Austrian actress Otto Röhm (1876–1939), founder of the American chemical company Rohm and Haas Ernst Röhm (1887–1934), purged and murdered German commander and cofounder of the Nazi SA (Stormtroopers)
Jair-Rôhm Parker Wells (born 1958) American jazz musician
Institutions ROHM (the Royal Opera House Muscat), operatic venue in Muscat, Oman Industrial enterprises: RÖHM GmbH, German chucking tool manufacturer Röhm (RG), manufacturer of firearms sometimes known as "RG" Rohm and Haas, American chemical company Röhm GmbH (Darmstadt), German chemical company
See also ROLM, a former technology company