I would hesitate to put Wittgenstein's philosophy into any category, but there are some facets of structuralism that fit. People always want to label others. We love to categorize people and things. People are much more complex, and philosophical thinking can be much more complex than our categories.

I would hesitate to put Wittgenstein's philosophy into any category (...) — Sam26

I've heard it from a credible source that he was some sort of a Wittgensteinian but I don't know if it's true.