Caricature Portrait of Tulla Larsen (Norwegian: Karikert portrett av Tulla Larsen) is an oil on canvas painting by Edvard Munch, from 1905. It is in the collection of the Munch Museum in Oslo.
The painting, depicting Munch and Tulla Larsen (1869-1942) was sawn in half by Munch after he was hit in the left hand by a gunshot following a bedroom scuffle (an incident covered in the painting The Death of Marat and the related series). In the green background, the man with the couple is Arne Kavli (1878-1970), also a painter and husband of Tulla, whom she married in 1903.
In Gerd Woll's catalogue raisonné from 2008, Self-Portrait against a Green Background is listed as number 645 and Caricature Portrait of Tulla Larsen is listed as number 646.