At least three commercial ships were named ''Dora'' in the late 19th and early 20th centuries:
*
''Dora'', launched in 1880 for use in the coastal trade between California and Alaska.
*
''Dora'', launched in 1889 for use by the London and South Western Railway, was renamed the SS Douglas.
* ''Dora'', a 13-ton sloop built in 1892 that foundered Aug. 27, 1911 at Charleston, South Carolina.
*
''Dora'' (sternwheeler), a 1910 steamboat in
Oregon
Oregon () is a state in the Pacific Northwest region of the Western United States. The Columbia River delineates much of Oregon's northern boundary with Washington, while the Snake River delineates much of its eastern boundary with Idah ...
* SS ''Dora'', a
Design 1022 ship launched in 1919 as SS ''Inspector'', converted into a tanker, and subsequently renamed
SS ''Comol Cuba''
{{shipindex, name=Dora, SS
Ship names