Mounseer Nongtongpaw is an 1807 poem thought to have been written by the Romantic writer Mary Shelley as a child. The poem is an expansion of the entertainer Charles Dibdin's song of the same name and was published as part of eighteenth-century philosopher William Godwin's Juvenile Library. A series of comic stanzas on French and English stereotypes, Mounseer Nongtongpaw pillories John Bull for his inability to understand French. It was illustrated by Godwin's friend William Mulready.