Esmilzo Joner "Ish" Polvorosa (born March 22, 1997) is a Filipino volleyball player who plays currently for Criss Cross King Crunchers in the Spikers' Turf and for the Philippine national team.

[2] Polvorosa was born and raised in Imus, Cavite.

[3] He graduated as second honorable mention at Anabu II Elementary School and studied middle school at Unida Christian Colleges.

He took up AB European Studies at Ateneo de Manila University where he played in the Ateneo Blue Eagles volleyball team.

[5] In 2018, he was elected as SK Chairman for Barangay Anabu 2-B in Imus, Cavite.