| Guillermo Domenech | |
| Birth Name: | Guillermo José Domenech Martínez |
| Birth Date: | 17 September 1950 |
| Birth Place: | Montevideo, Uruguay |
| Office: | Senator of Uruguay |
| Term Start: | 15 February 2020 |
| Party: | Open Cabildo Party |
| Alma Mater: | University of the Republic |
| Occupation: | Lawyer, notary, politician |
| Office2: | Chairman of the Open Cabildo Party |
| Termstart2: | 10 March 2019 |
| Termend2: | 3 Arpil 2024 |
| Successor2: | Raúl Lozano Bonet |
Guillermo José Domenech Martínez (born 17 September 1950) is a Uruguayan lawyer, notary and politician.
Born in Montevideo, Domenech attended St. Catherine's School and Ivy Thomas Memorial School,[1] graduated from University of the Republic, where he studied law and notary.[2] He served as a government notary, in the President's Office, from 1990 to 2019.[3]
In the 1989 elections he presented a list to the House of Representatives of the National Party Herrerism faction in support of Luis Alberto Lacalle, but he was not elected.[4] In 2019, Domenech participated in the founding of the Open Cabildo Party, which proposed the candidacy of former Army Commander-in-Chief Guido Manini Ríos.[5] In October, it was reported that Domenech would be the vice presidential running mate of Manini Ríos for the 2019 General Election.[6]
In the 2019 general election, he was elected Senator for the 49th Legislature.[7] He assumed that position, on February 15, 2020.[8]