Alexander "Colonel" Ferson (July 14, 1866 – December 5, 1957) was a 5'9", 165 pound American right-handed baseball pitcher who played from 1889 to 1890 and in 1892 for the Washington Nationals, Buffalo Bisons and Baltimore Orioles.

The rest of Ferson's career didn't really pan out for him.

For the Orioles in 1892, he went 0–1 in 2 games (1 start), posting an ERA of 11.00.

A poor hitter, Ferson hit .133 in 150 career at-bats.

After his death, he was buried in Saint Joseph (old) cemetery in Manchester, New Hampshire.