Ernest Luther "Bonnie" Bonin (January 13, 1888 – January 3, 1966) was a Major League Baseball right fielder who played with the St. Louis Browns in 1913 and the Buffalo Buffeds in 1914.

Bonin made his professional baseball debut in 1910, playing for the Canton Deubers of the Ohio–Pennsylvania League.

On April 13, 1913, Bonin made his Major League Baseball debut for the St. Louis Browns, in a game against the Chicago White Sox.

Bonin returned to the majors in 1914, with the Buffalo Buffeds of the Federal League.

This biographical article relating to a baseball right fielder is a stub.