What famous person has their name on the neck of guitar?

The most famous person with their name on the neck of a guitar is Les Paul.

* Gibson Les Paul: This iconic guitar model, known for its warm tone and sustain, is named after the legendary guitarist, inventor, and innovator.

While there are other guitars named after famous musicians, like Fender Stratocaster (named after its shape, not a person), the Les Paul is the most instantly recognizable and consistently associated with a specific person.