It depends on the jurisdiction and the privacy laws in place. In some places, it may be possible to find the owner of a vehicle through its license plate by requesting information from the Department of Motor Vehicles (DMV) or a similar government agency. However, in other places, this information may be considered private and not publicly available.
If you have a legitimate need to find the owner of a vehicle, such as for law enforcement purposes, you may be able to obtain this information through official channels. However, if you are simply trying to find out who owns a particular car, you may not be able to do so without the owner's consent.