Rabb is an Arabic-language word that refers to a monotheistic God.

Rabb can also refer to:

People Rabb (surname), a family name Rabinovitz/Rabb family, American Jewish family known for the Stop & Shop supermarket chain William Rabb Beatty, Canadian businessman and politician

Places in the United States Rabb, Alabama, an unincorporated community Rabb Lake National Wildlife Refuge, in Rolette County, North Dakota Rabb, Texas, an unincorporated community

Other uses Rabb.it, former video streaming website Rabb School of Continuing Studies at Brandeis University Icelandic-language word for small talk

See also Abd al-Rabb, Arabic-language masculine given name Andrew Rabb House, historic house in German Township, Pennsylvania, U.S. Rabbs Prairie, Texas, U.S., an unincorporated community