USS Pioneer may refer to:
- USS Pioneer (1836), a nineteenth-century barque.
- USS Pioneer (1862), may refer to a scuttled Confederate States Navy submarine raised by Union troops or may refer to the Bayou St. John submarine which was for decades misidentified as the Pioneer.
- USS Pioneer (MSF-105), a World War II minesweeper commissioned in 1942 and sold to Mexico in 1973 as Leandro Valle
- USS Pioneer (MCM-9), is an Avenger-class mine countermeasures ship currently in service.
See also
- USC&GS Pioneer, the name of more than one ship of the United States Coast and Geodetic Survey.
This article includes a
list of ships with the same or similar names. If an
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