Gary Raymond Ignasiak (born September 1, 1949) is a former Major League Baseball player. He played part of one season with the Detroit Tigers. Ignasiak was drafted by the Detroit Tigers in the 36th round of the 1967 amateur draft, and appeared in 3 games with the Tigers in 1973, all as a relief pitcher. He had a career earned run average of 3.86, while having a career win/loss record of 0-0. Ignasiak played his final game September 29, 1973.

Gary's brother, Mike Ignasiak, also pitched in the majors.