Arthur Clifford Ladd
- Bats Left, Throws Right
- Height 6' 4", Weight 180 lb.
- Debut July 12, 1898
- Final Game July 18, 1898
- Born February 9, 1870 in Willimantic, CT USA
- Died May 7, 1948 in Cranston, RI USA
Hi Ladd is a former Major League Baseball player for the Pittsburgh Pirates and Boston Beaneaters. In his career, he had 1 hit in 5 at bats. His first and last games were played in July 1898. He only played one game apiece with the Pirates and Beaneaters.
Ladd had a 20-year minor league career with teams in the Northeastern part of the country. He spent a decade playing for Bridgeport.