William Michael Joyce (September 21, 1865 – May 8, 1941) was a professional baseball player. He was a third baseman over parts of 8 seasons with the Brooklyn Ward's Wonders (of the Players' League), Boston Reds (of the American Association), Brooklyn Grooms, Washington Senators, and New York Giants. For the Giants, he was also the manager for duration of his time with them. He tied for the National League lead in home runs in 1896 (with Ed Delahanty) while playing for Washington and New York, and finished second three other times. He holds the record with 4 triples in one game which he accomplished in 1897. In 1891 he reached base in 64 consecutive games, a major league record not bettered until 1941. He was born in St. Louis, Missouri, and died in St. Louis at the age of 75. He is buried at Bellefontaine Cemetery.