The title "Harry Potter and the Philosopher's Stone" is the original and official title of the book, published in the UK in 1997. It was later renamed "Harry Potter and the Sorcerer's Stone" for the US release due to concerns that "Philosopher's Stone" wouldn't resonate with American audiences.
The original title, "Harry Potter and the Philosopher's Stone," remained the official title in the UK and most other English-speaking countries. It's important to be mindful of information circulating online, and to verify information through reliable sources.