29 Celebrities Who Some Believe Are Gay The Hollywood GossipIs Zac Efron same-sex oriented? This has been a topic of speculation surrounding the actor's sexual orientation. Still, Zac's sexual orientation is a personal matter, and Zac has not shared any information about it. While some rumors might circulate regarding who he is dating, it is vital to remember his privacy. In the end, it is up to himself to share his sexual orientation if he wishes to do so.