Have you ever met someone with a last name that you recognized and asked them if they were related to another person with the same surname? It's a logical question. After all, you never know who's in the same gene pool.
Of course, with so many people in the world, it's common for two unrelated people to share a last name. Such is the case for celebrities like Claire and Olivia Holt!
Click through the gallery to see 14 celeb pairs who have the same surname, then let us know if you've ever thought two of them were related before. Do you think any of them could pass as siblings?