I Gusti Bagus Oka (Also spelled "I Gusti Bagoes Oka") (January 26, 1910 – July 22, 1992) was the Governor for the Province of Bali and Vice-Governor for the Province of Lesser Sunda.
He and his wife, Gedong Bagus Oka, were the founding members of the Parisada Hindu Dharma Indonesia.
I Gusti Bagus Oka was also the first Vice-chair of Parisada Hindu Dharma Indonesia.
Throughout his public service career, I Gusti Bagus Oka held various government offices, while Gedong Bagus Oka served as Member of Parliament.
The couple were also actively involved in social activity and founded Ashram Gandhi in Candidasa, Bali.