There are probably a few out there. I've got one guitar with body wings (it's a neck-through) made of elm. Solid maple burl (now *that's* heavy). Plex. Aluminum. Probably no good reason why you couldn't do an oak guitar. Or Cherry. Or solid ebony. There are probably some constrictions where the neck is concerned, however -- it may be that oak simply isn't a great wood structurally when it comes to that. Dunno.
Leo Fender made some early steel guitars out of oak and abandoned it when he found that the acidity of the wood caused his finishes to flake. So whatever nitro and sealer or lack thereof he was using didn't work well with oak back in the day. Don't know about modern catalysed finishes on oak.
I do have an oak guitar however. A 1956 Gibson C520 double-neck console steel guitar. The finish has held up rather well, but the guitar is kinda like a piece of furniture:
Mostly weight and huge open grain that's difficult to fill well. The grain is so deep that any shrinkage of the filler becomes very apparent over time.
Thin pieces can warp easily, also.
Gibson did some oak top les Pauls at one time, I believe.
Well I have perhaps another take on it. My son recently started taking drum lessons. he brought his practice pad to the first lesson and the teacher commented on how :"dead" sounding the modern practice pad is and how they often don't have the right bounce. She prefers the older wood block type that actually produce a tone and also have dynamics. She has a friend that makes them, for $60 bucks. I took a look at one and thought "I can make this" so I did. In face I made four out of different woods. Here's what I found:
Oak - This is what she had. Pretty dead sounding.
Lace Wood - Dead soudning.
Zebrano - Dead sounding.
Maple - Rang like a bell. Nice crisp pop, clean tone, nice dynamics, by far the loudest and most tonefull of the bunch. She liked it better than her Oak one.
I suspect Oak isn't used for guitars because it would sound like doo doo.
I used to have a guitar with oak in the neck as a laminate. It was fine and the guy who built it also uses it for tops and body woods sometimes and he says it sounds fine. He does not use it a lot because its very heavy and apparently it is also harder to work with than other tonewoods used primarily in guitars. That was his take, but I can verify that my neck did not, nor did the other oak guitars sound like crap. The weight I think is the biggest problem.