Letters on the English (also known as Philosophical Letters) is a work by the French philosopher Voltaire that critiques and analyzes English society, politics, and culture from an outsider's perspective. Published in 1733, this piece highlights the differences between French and English systems of government, emphasizing the benefits of constitutional monarchy and the rule of law. It played a significant role in influencing Enlightenment thinkers and promoting ideas of liberty and political reform across Europe.