While incarcerated, my wife of 5 years is selling my belongings such
as my cars, trucks, campers, dogs, tools, motorcycles, clothes, etc.
Some property is titled in my name, some is jointly owned. Some of it
is in KY, and some is in OH.
If what you have said is true, it is probably not legal, but you don't have many effective remedies.
In the case of tangible personal property that doesn't have a certificate of title like dogs, tools, clothes, and sometimes campers, etc., as a practical matter, possession in nine-tenths of the law and there is no meaningful way to invalidate a sale or prevent it from happening short of divesting your wife of possession of the property (e.g. by giving someone a power of attorney to act on your behalf and having them take it, if they can prove that you are the sole owner of it).
In the case of a car, truck or motorcycle, and sometimes campers, those assets would ordinarily have a certificate of title, so if you are the sole owner, or a joint owner, your wife cannot transfer good title to those assets to a new buyer without a power of attorney from you, or having herself appointed as a guardian or conservator for you by a court (but you would have gotten notice of a guardian or conservatorship proceeding). She could also get permission to sell the assets from a divorce court in temporary or permanent orders, but you would have gotten notice if that happened. Or, she could have just forged your name on the documents.
Anyone buying those assets would risk having you take them back from them in the future, but they would probably have a defense to that if they were good faith purchasers of the assets (i.e. if they didn't know that the signature was forged) and they took for substantially equivalent value to the value of the things sold (which for used tangible personal property, isn't much), and all of that is assuming that you could find the buyers, which you probably couldn't.
Another option would be to file for divorce and ask for an offset in the distribution of property at that time for your property that has been sold without your permission. But if the property is tangible personal property without certificates of title, proving this to the court while you are in prison would be very difficult (which it would have been in any case). Also, both Ohio and Kentucky are separate property states rather than community property states in which assets are divided upon divorce not strictly 50-50 as to marital property, but instead in an "equitable division". And, a judge in Kentucky or Ohio might very likely determine that your wife should get all of your assets, without regard to title, because she needs money to live since she isn't in prison, and you don't because the state is providing you with food and shelter and clothing whether you like it or not. Also, a long period of incarceration is usually consider a ground for a fault based divorce which many states still allow as a consideration in property divisions.