Charles Walter "Bobby" Messenger (March 19, 1884 – July 10, 1951) was a professional baseball player.

Messenger was born in Bangor, Maine and was a 1908 graduate of Bates College where he played for the Bates team.

After graduation he was a professional outfielder for parts of four seasons (1909–11, 1914) with the Chicago White Sox and St. Louis Browns.

After his baseball career, he coached baseball and football at Edward Little High School in Auburn, Maine and served for more than a decade as a deputy sheriff.

This biographical article relating to an American baseball outfielder born in the 1880s is a stub.