No.
Trumpism, Terrorism, and Thomism by Joseph G. Trabbic
On Thomistic principles, Trump’s ban on Syrian refugees whose lives are in danger is not morally justifiable. Bans on other travelers and immigrants, however, are not as problematic.
Related:
Banning Muslim Travel to the US? A Thomistic Perspective on Donald Trump’s Proposal by Joseph G. Trabbic
Is there a moral obligation for the US not to enact Donald Trump’s proposed ban on Muslim travel into the US?