R. H. Williams

R. H. Williams may refer to:

Political figures

 * Richard H. Williams (New York) (1807–after 1863), American state senator
 * Richard Henry Williams (1852–1924), Canadian merchant; mayor of Regina, Saskatchewan

Writers and academics

 * Richard Hughes Williams (1878–1919), Welsh-language writer
 * Robert H. Williams (physicist) (born 1940), American scientist
 * Robin Williams (physicist) (Robert Hughes Williams; born 1941), Welsh physicist and academic
 * Rhys H. Williams (sociologist) (born 1955), American professor of sociology
 * Rosalind H. Williams, American historian of technology

Others

 * R. H. Williams (rugby player) (1930–1993), Welsh rugby union player
 * Robert Hardin Williams (1909–1979), American physician, president of Endocrine Society.