R. Ryan
- Full Name: R. Ryan
- Species: Human
- Gender: Male
- Trained in multiple unarmed fighting techniques, including Suus Mahna and V'Shan (ENT Novel: Kobayashi Maru)
- Sharpshooter (ENT S3-4)
- By September 2153: Corporal, MACO; Enterprise NX-01 (ENT S3-4; ENT Novel: Kobayashi Maru, Beneath the Raptor's Wing)