Robert Joseph Terlecki (born February 14, 1945) is a former Major League Baseball player. Terlecki pitched in 9 games for the Philadelphia Phillies in the 1972 season. He had a 0–0 record in 131⁄3 innings, with a 4.73 ERA.
Terlecki attended Notre Dame High School and was signed by the Chicago Cubs as an amateur free agent in 1964.