No, it's the group in power in outer space.
That said, Starlink can be turned off on a per country basis, so the government can ask (or demand) that to be done. If they refuse, there may be consequences that can be escalated to a political level.
We're playing around with the word "should" here, but from a moral standpoint, I disagree with any opinion that a sovereign power should(morally) be able to control communication at all - short of immediate threats to public safety (yelling "FIRE!" in a crowded theater).