Ryne Richard Harper (born March 27, 1989) is an American former professional baseball pitcher.

During the 2015 off-season, Harper played for the Cañeros de Los Mochis of the Mexican Pacific Winter League.

[5] He split the 2018 season between the Chattanooga Lookouts and the Rochester Red Wings, combining to go 1-5 with a 3.60 ERA in 65 innings.

[2] During the 2018 off-season, Harper played in two games for the Bravos de Margarita of the Venezuelan Winter League.

[7] He made his major league debut on March 31, 2019, versus the Cleveland Indians, recording one scoreless inning of relief.

Harper was traded to the Washington Nationals on January 29, 2020, for minor league pitcher Hunter McMahon.

[10] On April 21, 2022, Harper signed with the Wild Health Genomes of the Atlantic League of Professional Baseball.