Senate Judiciary Committee Chairman Chuck GrassleyChuck GrassleyTrump eyeing second Supreme Court seat Grassley: Another Supreme Court vacancy likely this summerSweeping change at DOJ under SessionsMORE (R-Iowa) said this week that another opening could come as soon as this summer, and there have been rumors that Justice Anthony Kennedy, often a swing voter on the court, could retire soon.
Kennedy, 80, was nominated to the court by President Reagan.
Whether Kennedy or one of the court's other justices will retire is anyone's guess, but experts in the legal community say Trump should be ready regardless.
A number of other names came up when Trump picked Neil Gorsuch to replace Antonin Scalia on the court.
Here's a look at five people who could get the nod if there is another opening for Trump.
The judge on the Cincinnati-based 6th Circuit Court of Appeals was one of the names on Trump's original list and appears to be an early favorite this time around.