29 Celebrities Who Some Believe Are Gay The Hollywood GossipIs Zac same-sex oriented? There has been much speculation surrounding the actor's sexual orientation. However, Efron's sexual orientation has never been confirmed, and Zac has not shared any information about it. Although some rumors might circulate about his relationships, it is important to remember his privacy. In the end, it is up to Efron to reveal his sexual orientation if he wishes to do so.