Grom may refer to:

Military

• 2A28 Grom, a Soviet/Russian low pressure gun

• 9×30mm Grom (), a Russian sub-machine gun bullet

• Kronshtadt Grom, a Russian jet fighter UCAV drone

Units

• JW GROM, a Polish special forces unit

• Grom Team (), a unit of Vympel (V-Directorate of the Soviet KGB)

Missiles

• PZR Grom (), a Polish man-portable anti-aircraft missile

Kh-23 Grom (; NATO: AS-7 'Kerry'), Soviet air-to-surface missile

• Grom (), a Yugoslav/Serbian version of the Kh-23 air-to-surface missile

• Kh-36 Grom (), a Soviet guided glide bomb

• P-750 Grom, a Soviet cruise missile

• Hrim-2 Grom, a Ukrainian short-range ballistic missile

Warships

• , several ships of the Polish Navy

• Grom-class destroyer, a Polish destroyer class

• Grom-class destroyer (1939), a Polish WW2 destroyer class

• , a Donder-class bomb vessel; see List of ship launches in 1765

• , a WW1 Russian Orfey-class destroyer

• Grom-class frigate (Project 1244.1 Novik), a Russian patrol ship class

People and characters

• Grommet (sportsperson) (shortened: grom), a nickname for young participants in extreme sports

Persons

• GroM, a drummer for Norwegian black metal band Ancient (band)

• Józef Chyliński (1904—1985; codenamed "Grom"), Polish resistance fighter

• Grom Gravalid (ringname: Gromguten), a wrestler from Høydalsmo, Tokke, Telemark, Norway

  Franc Grom, Slovenian artist

• Jacob de Grom (born 1988), U.S. baseball player

• Leon Grom, bronze medallist for Yugoslavia at the 1966 World Ninepin Bowling Classic Championships

• Zaza Grom, the ringname of Georgian MMA fighter Zaza Tkeshelashvili (born 1965)

Fictional characters

• Grom, an alter-ego of Marvel Comics character Overmind (comics)

• Grom, a fictional character from the comic book Hellboy: The Chained Coffin and Others

• Grom, a fictional character from the 2007 Russian film Trackman

• Grommash "Grom" Hellscream, a fictional character from the videogame series Warcraft

• Colonel Grom, a fictional character from the 2002 videogame Grom: Terror in Tibet

• Igor Grom, a fictional Saint Petersburg police major in the Russian comic book franchise Major Grom

Places

• Grom, Warmian-Masurian Voivodeship, Poland; a village in Gmina Pasym, Szczytno County

• Gromo (), Bergamo, Lombardy, Italy; a commune

• Grøm, Grimstad (town), Grimstad (municipality), Agder County, Norway; a former farmstead

• River Grom, England, UK; a watercourse

• Grom-Bach (), Hesse, Germany; a watercourse

Groups, organizations

• Citizen Option for Macedonia (GROM, ГРОМ; Gragjanska оpcija za Makedonija, 'Граѓанска опција за Македониј'), a political party in North Macedonia

• Grom (company), an Italian gelato company

• Grom, a New York band signed by Resistance Records

• Grom Wolsztyn, the Grom soccer team in Wolsztyn, Gmina Wolsztyn, Powiat Wolsztyn, Greater Poland Voivodeship, Poland

Police, security services

• 'Grom' Team (), a unit of Vympel (V-Directorate of the Russian FSB)

• "Grom" Unit (), a Spetsnaz narcopolice unit of the Federal Drug Control Service of Russia

Other uses

• Honda Grom, a motorcycle

Grom (album), a 1996 album by Polish extreme metal band Behemoth

• "Grom" (song), a 1996 song by Behemoth, the title track off the eponymous album Grom

• Grom: Terror in Tibet, a 2002 videogame

• GROM, Graphics Read Only Memory, a type of memory used in the TI-99/4A Home Computer

See also

• Grome

• Groom (disambiguation)

• Grem