保尔-亨利·提利·霍尔巴赫男爵（法语：Paul-Henri Thiry, baron d’Holbach，1723年－1789年），法国哲学家，无神论者。

1723年生于德国巴伐利亚一商人家庭。1735年时移居法国。1744年就读于荷兰莱顿大学读书。1749年回到法国，后继承伯父的男爵爵位。与狄德罗等人参加了《百科全书》的编纂工作，是“百科全书派”主要成员之一。著作有《自然的体系》、《健全的思想》、《揭穿了的基督教》、《神圣的瘟疫》、《自然政治》等。其中，《自然的体系》一书有“无神论的圣经”之称。

Paul-Henri Thiry, Baron d'Holbach (French: [dɔlbak]), was a French-German author, philosopher, encyclopedist and prominent figure in the French Enlightenment. He was born Paul Heinrich Dietrich in Edesheim, near Landau in the Rhenish Palatinate, but lived and worked mainly in Paris, where he kept a salon. He was well known for his atheism and for his voluminous writings against religion, the most famous of them being The System of Nature (1770).