Daniel R. "Cyclone" Ryan (1866 – January 30, 1917) was an Irish born Major League Baseball pitcher and first baseman.

Ryan played for New York Metropolitans and the Boston Beaneaters.

He played in 9 games as a first baseman, and in 3 games as a pitcher.

[1][2] Ryan was born in Cappagh White, Tipperary, Ireland and died in Medfield, Massachusetts.

This biographical article relating to an American baseball pitcher born in the 1860s is a stub.