10 of the World’s Largest Spiders. We share this world with a lot of types of spiders and some of them are unbelievably (like horror movie) big. Take a look at our list of the world’s largest spiders, starting from the smallest of the largest, all the way to the winning monster-sized, biggest spider in the world. 10. The smallest, but still large, spider on our list is the black and white Cerbalus Aravensis spider, which was discovered in Israel in 2009.