| Honorific-Prefix: | Count |
| Hugo Hamilton | |
| Office: | Minister for Civil Service Affairs |
| Primeminister: | Gustaf V |
| Term Start: | 1907 |
| Term End: | 1911 |
| Predecessor: | Julius Juhlin |
| Successor: | Axel Schotte |
| Office2: | Speaker of Första kammaren |
| Monarch2: | Gustaf V |
| Term Start2: | 1916 |
| Term End2: | 1928 |
| Predecessor2: | Ivar Afzelius |
| Successor2: | Axel Vennersten |
| Order3: | Governor of Gävleborg County |
| Term Start3: | 31 March 1900 |
| Term End3: | 18 September 1918 |
| Predecessor3: | Theodor Odelberg |
| Successor3: | Carl Mathias Ström (acting) |
| Order4: | Member of Andra kammaren for City of Stockholm |
| Term Start4: | 1891 |
| Term End4: | 1893 |
| Term Start5: | 1897 |
| Term End5: | 1901 |
| Order6: | Member of Första kammaren for City of Gävle and Älvsborg County |
| Term Start6: | 1900 |
| Term End6: | 1928 |
| Birth Name: | Hugo Erik Gustaf Hamilton |
| Birth Date: | 21 August 1849 |
| Birth Place: | Blomberg Husaby, Sweden |
| Death Place: | Karbenning, Sweden |
| Nationality: | Swedish |
| Party: | Moderate Party of the Upper House National Party |
| Spouse: | Elvine Åkerhielm af Blombacka |
| Alma Mater: | Uppsala University |
Count Hugo Erik Gustaf Hamilton (21 August 1849 – 27 January 1928) was a Swedish politician, Minister for Civil Service Affairs between 1907–1921 and the eight Speaker of Första kammaren of the Riksdag.[1]
Hugo Erik Gustaf Hamilton was born on 21 August 1849 on Blomberg, Husaby, Skaraborg County to county governor count Adolf Ludvig Hamilton and Johanna Ulrika Agnes Geijer.[2] He took his jurist grade from Uppsala University in 1878.[2] He was a member of the city council of City of Stockholm in 1888—1893 and 1896—1900[2] Hamilton was a member of Andra kammaren in 1891–1893 and 1897–1901.[2] On 31 March 1900, he became Governor of Gävleborg County, which he was until 18 September 1918.[2] Between 4 December 1907 and 7 October 1911, Hamilton was Minister for Civil Service Affairs in Sweden.[2] Hamilton became a member of Första kammaren in 1908.[2] Speaker of Första kammaren of the Riksdag from 1916 to his death in 1928.[2] Hamilton died on 27 January 1928 on Högfors bruk, Karbenning, Värmland County.[2]
On 8 September 1881 in Högfors, Hamilton married countess Elvine Åkerhielm af Blombacka, daughter of county governor count Hans Samuel Knut Åkerhielm af Blombacka and Maria Ulrika Josefina Björkman.[2]