Ryan Nicholas Carpenter (born August 22, 1990) is an American professional baseball pitcher who is a free agent.

Carpenter remained in the Rockies minor league system until November 6, 2017, when he elected free agency.

[5] On April 1, 2018, Carpenter made his Major League debut with the Tigers when he was called up to start the second game of a double-header against the Pittsburgh Pirates as the 26th man.

[10] During his start the next day, Carpenter himself suffered an injury when he strained his right oblique, which landed him on the 10-day disabled list.

[11] Recalled again on August 17, 2018, due to an injury to Tiger starter Blaine Hardy,[12] Carpenter earned his first major league win over the Minnesota Twins the next night, surrendering three runs over 5+1⁄3 innings.