Alexandre Ouizille (born 18 June 1988) is a French politician of the Socialist Party (PS) who has been serving as a member of the Senate since 2023. 
Political career.
Ouizille was a candidate for Oise's 7th constituency in the 2017 legislative election, and was a member of the Regional Council of Hauts-de-France until his election to the Senate.
In 2025, Ouizille authored the Senate's much-publicized report alleging that Nestlé Waters lobbied France's government to make possible the sale of branded mineral water that circumvented stringent French regulations, effectively misleading consumers.