Jani Leinonen (born in Hyvinkää, 1978) is a Finnish visual artist known for public artworks that criticise capitalism by borrowing the imagery and icons of corporate brands. He graduated from the Helsinki Academy of Fine Arts in 2002.
His work relies on the instant recognition of logos and advertising figures to question corporate behaviour. In January 2011 he led a group calling itself the "Food Liberation Army", which took a life-size statue of Ronald McDonald from a Helsinki restaurant and posted videos threatening to "decapitate" the clown unless the chain answered questions about its ethics. McDonald's refused to "negotiate with criminals", and the Finnish police raided his home.
In 2014 his Budapest pop-up installation "Hunger King" imitated a Burger King restaurant to criticise a Hungarian law that banned homeless people from sleeping in public areas. In 2015 he took part in Dismaland, the temporary project organised by Banksy. His work "McJesus", a crucified Ronald McDonald, sparked a riot in Haifa, Israel, in January 2019, when hundreds of Christian protesters gathered outside the Haifa Museum of Art. The piece belongs to a gallery that loaned it to the museum, and in 2023 it was shown at the Museu de l'Art Prohibit in Barcelona.