Robert Learn Jr. (born April 11, 1962) is a former professional ten-pin bowler on the Professional Bowlers Association (PBA) Tour. He is nicknamed, "Mr. 300." He won five titles during his PBA career, including a major at the 1999 U.S. Open, but is most noted for:
Learn's final PBA title came in 2001 at the Dydo Japan Cup.
Originally from Erie, Pennsylvania, Learn now resides in Boynton Beach, Florida. He joined the PBA Senior Tour (renamed the PBA50 Tour) in 2012, and has three titles on that Tour to date.