Yes there is in Pecs/Pécs Railway Station - Locker Room / Luggage Storage facilities. It's valid for 24 hours. Please keep Hungarian coins ready. No card payment or euro payment. Only Hungarian coins are accepted in denominations of 100 & 200 HUF.
For bigger size box 500 HUF & for smaller size box 400 HUF (as of JUNE 2019). English manuals are pasted in front of the boxes.