Nathania Ong

Nathania Ong (born ) is a Singaporean actress and singer. A graduate of the Mountview Academy of Theatre Arts, she made her West End debut in 2021 as Jenna Rolan in Be More Chill.

Early life and education Ong was born in to dentist and former a cappella singer Kevin Ong and homemaker Jenny Ong. She has three older sisters. but only began to be formally trained in singing at age 11.

In 2004, Ong sang "Home" with her older sister and S.R. Nathan for a Total Defence Day event, which inspired her interest in performance. In 2021, she graduated from Mountview Academy of Theatre Arts in London.

Career She made her West End debut in 2021 as Jenna Rolan in Be More Chill. The same year, she played Éponine in the UK and Ireland tour of Les Misérables, In 2022, she played Éponine in the West End production. In 2026, she was included in the Forbes 30 Under 30 list. She played Elle Woods in the Singapore Repertory Theatre's production of Legally Blonde from 29 July 2026.

In December 2023, she held a concert, titled Spirit of Giving: Nathania Ong – A Musical Homecoming, in collaboration with The Business Times and the Singapore Performing Arts Academy, to raise money for disadvantaged youth pursuing arts.

Les Misérables Éponine Sondheim Theatre

Les Misérables Éponine Arena World Tour

Hamilton Eliza Victoria Palace Theatre

Les Misérables Éponine Arena World Tour 2026 Legally Blonde Elle Woods Esplanade Theatre