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. For his career, he compiled a .172 batting average in 157 at-bats, with four runs batted in.

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. In 1936, he was elected sheriff of Sagadahoc County.^[1]

He died in Bath, Maine at the age of 67.

• Career statistics from Baseball Reference, or Baseball Reference (Minors)