Sharon Gamboa Cuneta (born January 6, 1966) is a popular Filipina actress, TV host, singer, and endorser. She is also known as The Mega Star of Philippine Showbiz.

Sharon is the first Filipina artist to sell out at the Los Angeles Shrine Auditorium first in 1988 and her latest June 11th, 2005 concert. She sang to SRO crowds. Her poster is enshrined in The Shrine's Hall of Fame next to stars Michael Jackson, Barbara Striesand and the Ballet Folklorico de Mexico. She created a traffic jam in the 90's and puzzled the former Mayor of Los Angeles Tom Bradley. After hearing of her success, the mayor attended the concert and awarded Sharon with an Honorary Key to the City of Los Angeles.

She also had a duet in the 1990s with famous Hong Kong star Andy Lau, with whom she sang "In Your Eyes" composed by Jim Brickman.

In 1996, she hit a "Grand Slam" in Philippine Movies for the movie Madrasta where she played the role of a loving stepmother. Sharon became one of the rare actresses along with Nora Aunor and Vilma Santos to be awarded all the accolades given in local Philippine Cinema. Her "grand slam" includes: The Star Awards for Movies, People's Choice Award, The Film Academy of the Philippines, The Gawad Urian given by the Manunuri Ng Pelikulang Pilipino and the FAMAS (Filipino Academy of Movie Arts and Sciences)