| Grand Council of Geneva | |
| Background Color: | red |
| Text Color: | white |
| Coa Pic: | Wappen_Genf_matt.svg |
| Upright: | 1.5 |
| House Type: | Unicameral legislature |
| Leader1: | Jean-Marie Voumard (MCG) |
| Leader1 Type: | President |
| Leader1 Term: | 14 May 2019 |
| Leader2: | François Lefort (Greens) |
| Leader2 Type: | 1st Vice-president |
| Leader2 Term: | 14 May 2019 |
| Leader3: | Salima Moyard (PS) |
| Leader3 Type: | 2nd Vice-president |
| Leader3 Term: | 14 May 2019 |
| Membres: | 100 |
| Structure1: | GE18-Parliament.svg |
| Structure1 Res: | 250px |
| Political Groups1: |
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| Voting System1: | Party-list proportional representation |
| Last Election1: | 15 April 2018 |
| Next Election1: | 2023 |
| Meeting Place: | Geneva City Hall, Geneva |
| Session Room: | HdV Genève - Salle Grand Conseil 06.jpg |
The Grand Council of Geneva (French: Grand Conseil de Genève) is the legislature of the canton of Geneva, in Switzerland. Geneva, styled as a 'Republic and Canton', has a unicameral legislature. The Grand Council was established in its present form and with 100 seats in 1842,[1] with members elected every four years. Its oldest ancestor is the Council of Two Hundred (with 200 seats), founded in 1526.[2] Members of the canton's executive, the Council of State, are elected a month later.
There is a 7% threshold that political parties wishing to be represented on the Grand Council must overcome. Seven parties did so at the most recent election, held on 15 April 2018.
In 2018, on a lower turnout compared with 2013, right-wing populists lost previous gains, with the traditionally dominant parties, the Liberals, the Social Democrats and the Greens, increasing their votes.
The office of the secretary of the Grand Council of Geneva is headed by the sautier; originally, the role of the sautier was military, and he was the head of the watch. Over time, the function changed and the sautier became the permanent secretary of the Grand Council.
One of his duties include the regular observation of the Geneva official chestnut tree, and the recording of the date of the opening of the first leaf on an official register. This event is then announced to the press and to the general public, indicating the beginning of the Spring.