USS Pecos may refer to the following ships of the United States Navy:
- USS Pecos (AO-6), a Kanawha-class fleet replenishment oiler, 1920–1942
- USS Pecos (AO-65), a Suamico-class fleet replenishment oiler, 1942–1946; with Military Sea Transportation Service, from 1950; struck 1974
- USNS Pecos (T-AO-197), a U.S. Navy Henry J. Kaiser-class fleet replenishment oiler in service since 1989.
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.