There are plenty of countries who have not signed on to the UN Convention on the Reduction of Statelessness, including the US. So, yes, you can be left statele

There are plenty of countries who have not signed on to the UN Convention on the Reduction of Statelessness, including the US. So, yes, you can be left stateless by the US revoking your citizenship. However, pretty much only treason or voluntary renouncement could potentially lead to such a situation, and treason hasn't been charged in the US since the immediate aftermath of WWII.