In Romans 11:1, Paul says he is an Israelite from which tribe?

Answer: Benjamin

Denying that God rejected His people, Paul says, "I am an Israelite myself, a descendant of Abraham, from the tribe of Benjamin."

“I ask then, did God reject His people? Certainly not! I am an Israelite myself, a descendant of Abraham, from the tribe of Benjamin.”— Romans 11:1 (BSB)