Can I ask for a judge to recuse themselfves because they are gay?

You can ask the Judge for whatever you want, but I would say your chances of succeeding are zero.

Its an interesting question but quite possibly. You would have to show that the court was actually biased and meet a high standard or proof. This would also depend on the facts of the case. By example, if you abide by Sharia law and were a litigant in Orlando, this might be viewed as a legitimate concern.