| Intro | English botanist, born 1823 |
| A.K.A. | H.Williams |
| Was |
Scientist Botanist |
| From | United Kingdom |
| Type | Science |
| Gender | male |
| Birth | 1823 |
| Death |
1907 (aged 84 years) |
Henry Williams may refer to:
Politicians
- Henry Williams (MP for Northamptonshire) (died 1558), Member of Parliament (MP) for Northamptonshire
- Henry Williams (alias Cromwell) (died 1604), MP for Huntingdon
- Henry Williams (died 1636) (c. 1579–1636), English politician who sat in the House of Commons at various times between 1601 and 1624
- Henry Williams (MP for Radnorshire), Welsh politician who sat in the House of Commons between 1654 and 1659
- Sir Henry Williams, 2nd Baronet (1635–1666), British Member of Parliament for Brecon and Breconshire
- Henry Williams (Massachusetts) (1805–1887), United States Representative from Massachusetts
- Henry Williams (New Zealand politician) (1823–1907), member of the New Zealand Legislative Council
- Henry Williams (Victorian politician) (died 1910), Australian politician
- Henry D. Williams (c. 1893–1934), New York politician
- Henry Roberts Williams (1848–1935), Australian politician
- Henry Williams (Queensland politician), Member of the Queensland Legislative Assembly
Sportspeople
- Henry L. Williams (1869–1931), American college football player and coach
- Henry Williams, Jr. (1917–2002), American professional golfer
- Gizmo Williams (Henry L. Williams, born 1962), American player in the Canadian Football League
- Henry Williams (cricketer) (born 1967), South African cricketer
- Henry Williams (basketball) (born 1970), American basketball player
- Henry Williams (American football) (born 1956), former professional American football player
Others
- Henry Williams (alias Cromwell) (16th-century–1604), grandfather of Oliver Cromwell
- Henry Williams (missionary) (1792–1867), English missionary to New Zealand
- Henry Harvey Williams (1917–2004), Governor-General of Saint Vincent and the Grenadines
- Henry Horace Williams (1858–1940), American philosopher and university professor
- Henry Smith Williams (1863–1943), American medical doctor and author
- Henry Williams (bishop) (1872–1961), English Anglican bishop
- Henry Williams (child actor), New Zealand child actor, active 2004–2009
- Henry Williams (Medal of Honor) (1834–1917), United States Navy seaman who received the Medal of Honor
- Henry Shaler Williams (1847–1918), American geologist
- Henry Sylvester-Williams (1869–1911), lawyer, councillor and writer
- Rubberlegs Williams (Henry Williams, 1907–1962), American blues/jazz singer and dancer
- Henry Williams (Casualty) a fictional character from the BBC television drama Casualty, played by Tom Chadbon
- Henry Williams (priest) (fl. 1510s – 1550s) Canon of Windsor
- Henry F. Williams (1813-c1903) African-American composer