Two vessels of the United States Navy have borne the name USS Grenadier, named in honor of the grenadiers, a family (Macrouridae) of soft-finned deep-sea fishes with long, tapering bodies and short, pointed tails, also known as rattails.
- The first , was a , commissioned in 1941 and was scuttled in 1943.
- The second , was a , commissioned in 1951 and struck in 1973.