He has not publicly stated one way or another.
Here are some opinions:
John Mahoney, best known from his role on Frazier, has not publicly stated his sexual orientation, though there are many rumours and speculation.
The cast of Sexual Harassment Orientation - 2013 includes: Brian Guest Travis Van Winkle as John
john Henry hammond
Nothing is known of her sexual orientation.
The Joker's sexual orientation is not written into his character.
The historical figure John Dodd, a member of Parliament, is the only semi-famous John Dodd I can find, and there is no information about his sexual orientation.
John Heileman is straight.
no.
straight
he is straight.
John D. Rockefeller Sr. never publicly discussed his sexual orientation, but it appears that he was heterosexual.
John Mahoney, best known from his role on Frazier, has not publicly stated his sexual orientation, though there are many rumours and speculation.
Isn't he gay?
John Maybury, the filmmaker, is openly gay.
John Saul's sexual orientation is not publicly known, as he has kept his personal life private.
John Prats has never publicly discussed his sexual orientation. All we can say is that he's marred to a woman, Isabel Oli, since 2015.
John Garfield was thought to be heterosexual, and he was married to Roberta Seidman.