What singer has the last name of Benjamin?

The singer with the last name of Benjamin is the American artist, Sasha Alex Sloane, who is professionally known as Tate McRae. However, if you are specifically looking for a singer named "Benjamin," you might be referring to Benjamin Gibbard, the lead vocalist and guitarist of the indie rock band Death Cab for Cutie. If you have a specific genre or context in mind, please provide more details!