The most popular foreign masterpieces may vary according to different people's preferences, but the following are some widely acclaimed foreign masterpieces: 1 Harry Potter series: The fantasy novel series by JK Rowling has many readers around the world. 2 1984 George Orwell: This dystopian novel is considered one of the most influential works of the 20th century. 3. The Catcher in the Rye, J.D. Salinger: This novel takes teenagers as its theme and probes into issues such as growth, loneliness, and the psychological state of teenagers. 4 The Great Gatsby, F Scott Fitzgerald: This novel is set in the 1920s and portrays topics such as socialite, love, wealth, and loss. 5 "Miserable World" Victor Hugo: This novel tells the life experience of the protagonist Jean Valen against the background of the French Revolution and deeply reflects on the French social and political system. These masterpieces all had profound thoughts and unique artistic styles that were deeply loved by readers.