Ji Young "Pearl" Sinn-Bonanni (born July 17, 1967) is a Korean-American professional golfer who played on the LPGA Tour.

Her family moved to the United States when she was 9 and she became a U.S. citizen at age 14, renouncing her Korean citizenship.

She played college golf at Arizona State University where she was a three-time All-American.

[5] Sinn also played on the winning U.S. teams in the 1988 Curtis Cup and 1988 Espirito Santo Trophy.

[7] Sinn-Bonanni is currently head coach of the women's golf team at Cal State Fullerton.