Harry Donald Lord was an American professional baseball player who played for the Boston Americans/Red Sox, Chicago White Sox and Buffalo Blues from 1907 to 1915.

The Buffalo Blues were a professional baseball club that played in the short-lived Federal League, which was a minor league in 1913 and a full-fledged outlaw major league the next two years. It was the last major league baseball team to be based in the city of Buffalo. In 1913 and 1914, as was the standard for Federal League teams, the franchise did not have an official name, instead going by the generic BufFeds.