Rob Reiner - American film director, screenwriter and actor

Carl Reiner - American film director, screenwriter and actor

Fritz Reiner - Early 20th century American conductor

Vincentio Reiner (Renieri, Reinieri) -17th century Italian astronomer and mathematician

Markus Reiner - Engineer and scientist -one of the founders of rheology

Reiner (crater) -crater on the Moon, named after Vincentio Reiner