Dellums is a surname. Notable people with the surname include:
C. L. Dellums (1900–1989), American labor activist Erik Dellums (born 1964), American actor Piper Dellums, American author and public speaker Ron Dellums (1935–2018), American politician
See also Ronald V. Dellums Federal Building, federal building complex in Oakland, California Dellums v. Bush, a D.C. Federal District Court decision by United States District Judge Harold H. Greene