William Joseph Granfield (December 18, 1889 – May 28, 1959) was a United States representative from Massachusetts. Granfield was born in Springfield on December 18, 1889. He attended elementary and high school in Springfield, and graduated from Williston Academy in 1910. In 1913 he received his law degree from the Notre Dame Law School. He was admitted to the bar in 1916 and began to practice in Springfield. Granfield was not a candidate for renomination in 1936. He was appointed presiding justice of the district court of Springfield in 1936, and served until his retirement July 27, 1949.