It depends on which Ian Roberts you're talking about:
Ian Roberts (DJ), British DJ on Magic 1152 in Manchester
Ian Roberts (actor) (born 1965), American actor and comedian
Ian Roberts (South African actor) (born 1952), South African actor, playwright and singer
Ian Roberts (Rugby league) (born 1965), Australian actor and former rugby league player well known for being the first openly gay rugby player
Ian Roberts (footballer) (born 1957), former Australian rules footballer
Ian Roberts (equestrian) (born 1958), Canadian equestrian events Olympian
Ian Roberts (linguist) (born 1957), Professor of Linguistics at the University of Cambridge
Ian harding has never publicly discussed his sexual orientation.
Robin Roberts has not made a public statement about her sexual orientation.
straight
bisexual
of course all ian petrillos r gay!!
Ian Ziering has not publicly stated his sexual orientation. Ziering is currently married to a female. We can only assume that Ziering is heterosexual, unless he states otherwise.
Ian Watkins' the British band member from Lostprophets has not stated his sexual preference in public. WikiAnswers will not speculate on what is personal and private information to any individual.
Ian H Watkins, the British pop singer with the group Steps came out as gay in 2007 with an interview with the Sun newspaper.
Ian Roberts - equestrian - was born in 1958.
No, he's straight but played a bisexual character in 'The Rules Of Attraction'. He said he wouldn't do it again.
Roberts Liardon was pastor Embassy Christian Center in Irvine, CA. The church board asked him to step down after it was discovered that he was engaged in an ongoing sexual relationship with the church's male youth minister.
Ian McDiarmid has chosen to keep his personal life private and has not publicly spoken about his sexual orientation. It is important to respect his privacy and focus on his work as an actor.