SS Messenger may refer to one of two Type C2-S-B1 ships built for the United States Maritime Commission:
- SS Messenger (1866) wooden steam barge originally launched as a propeller-driven steamer in 1866
- SS Messenger (1942) (MC hull number 290), built by Moore Dry Dock in Oakland, California; later became USS Sheridan (AP-96/APA-51); scrapped in 1969 after explosion
- SS Messenger (1946) (MC hull number 2817), built by Consolidated Steel in Wilmington, California; scrapped in 1969
This article includes a list of ships with the same or similar names. If an internal link for a specific ship led you here, you may wish to change the link to point directly to the intended ship article, if one exists.