"Punio Shravak" refers to a pious Jain layman (Shravak) who observes religious austerities or fasts on special Jain holy days (Punam or Parva). If you are asking about the specific name of the father of a famous "Punio Shravak," particularly in Jain tradition, the most well-known reference is to "Punio Shravak" in the context of Jain stories, where his father's name is "Dhaniyo."

So, the name of Punia Shravak's father is: Dhaniyo (or Dhaniya).

This story is popular in Jain literature and is often narrated to illustrate the virtues of devotion and steadfastness in faith.