There are a Filipino celebrities whose names have similar sounding parts to the mathematical symbol pi:
 Piolo Pascual  Piolo is a popular Filipino actor, singer, and producer whose first name sounds similar to the mathematical symbol pi.
 Pia Wurtzbach  Pia is a FilipinoGerman actress, model, and beauty queen who was crowned Miss Universe in 2015. Her first name also sounds similar to the mathematical symbol pi.
 Paolo Ballesteros  Paolo is a Filipino actor, TV host, and comedian whose first name has a similar sound to the mathematical symbol pi.
 Pilar Pilapil  Pilar is a veteran Filipino actress whose first name has a similar sound to the mathematical symbol pi.
 Pilita Corrales  Pilita is a Filipino singer and actress who is considered one of the country's music icons. Her first name also has a similar sound to the mathematical symbol pi.
Isn't it great to know about these Pilipino celebrities?
There are no known celebrities who are directly related to pi, as it is a mathematical concept and not a biological or familial relationship. However, there are some notable people who have made significant contributions to the study of pi or used it in their work:

Archimedes  The ancient Greek mathematician is often credited with being the first person to calculate an accurate approximation of pi, using a geometric method.

William Jones  The Welsh mathematician is credited with introducing the symbol "π" to represent the ratio of a circle's circumference to its diameter.

Ada Lovelace  The English mathematician and computer scientist is often considered the world's first computer programmer, and she used pi in her work on Charles Babbage's Analytical Engine.

Martin Gardner  The American writer and recreational mathematician wrote extensively about pi and its properties, and his popular column in Scientific American helped to popularize recreational mathematics.

Ron Hipschman  The American science educator and author created the popular online resource "The Exploratorium's Pi Day Page," which includes a variety of activities, games, and resources related to pi.
While these individuals are not "related" to pi in the traditional sense, they have all made significant contributions to our understanding and appreciation of this mysterious and fascinating mathematical concept.