Grm or GRM may refer to:
Business Gross Rent Multiplier, a real estate concept Palladium International (formerly GRM International), a consulting and management company
European villages Grm (Zenica), Bosnia and Herzegovina Grm pri Podzemlju, Metlika, southeastern Slovenia Grm, Ivančna Gorica, central Slovenia Grm, Trebnje, eastern Slovenia Grm, Velike Lašče, central Slovenia
Sport Daša Grm (born 1991), Slovenian figure skater Garry Rogers Motorsport, an Australian V8 Supercar racing team Grassroots Motorsports, a racing magazine
Other uses Grand Marais/Cook County Airport (IATA code), airport in Grand Marais, Minnesota GRM, a class of genes coding for the metabotropic glutamate receptor Groupe de Recherches Musicales, a French concrete music collective