Ryan Alan Christianson
- Bats Right, Throws Right
- Height 6' 2", Weight 202 lb.
- High School Arlington High School (Riverside)
Catcher Ryan Christianson was selected by the Seattle Mariners in the first round of the 1999 amateur draft. He then spent seven season in the M's chain, peaking at AAA. He also spent one season apiece in the Tampa Bay Devil Rays and St. Louis Cardinals chains to close out his pro career.