Ryan David Glynn (born November 1, 1974) is an American former professional baseball pitcher who played in Major League Baseball for the Texas Rangers, Toronto Blue Jays, and Oakland Athletics.
Glynn attended college at the Virginia Military Institute until he was drafted in 1995 by the Texas Rangers in the fourth round. He played parts of five seasons in the majors between and for the Texas Rangers, Toronto Blue Jays, and Oakland Athletics.
In , Glynn pitched for the Tohoku Rakuten Golden Eagles and had a 3.96 ERA. In , he signed with the Hokkaido Nippon-Ham Fighters and had a 2.21 ERA. Despite having a 3.64 ERA in , Glynn received little run support and finished with a 7âÂÂ14 record. On January 7, , he signed a one-year deal with the Yokohama BayStars.
Glynn pitched for the CPBL's Uni-President 7-Eleven lions in . The Lions won the CPBL Championship, and Glynn pitched in the 2011 Asia Series.