| U | |||||
| Umpqua | WW 1 | Tug # 25 | AT 25 | Unknown | |
| Unadilla | WW 1 | Tug # 4 | YT 4 | To YTM 4. Decom 1945, Stricken 1947 | |
| Uncas | YT 242 | YTB 242 | Decom 1946, Stricken 1947 | ||
| Uncas | WW 1 | AT 51 | Unknown | ||
| Undaunted | WW 1 | YT 125 | AT 58 | Unknown | |
| Underwriter | WW 1 | Adirondack | YT 44 | Decom 1922, Stricken 1922 | |
| Unit | Civil War | Unknown | |||
| V | |||||
| Vaga | YT 116 | Ex-General Weeks, Scuttled 7/24/42 | |||
| Vaga | YT 374 | YTB 374 | YTM 374 | Decom 1972, Stricken 1973 | |
| Venturo | WW1 | Stricken Date Unknown / Sunk as a Artificial Reef | |||
| Verbena | Civil War | Unknown | |||
| Vigilant | WW 1 | YT 25 | Ex George W. Pride / Stricken 1925 | ||
| Virginian | WW 1 | Stricken 1919 | |||
| Violet | Civil War | Unknown | |||
| Visitor | WW 1 | Unknown | |||
| Volunteer | Civil War | Unknown | |||
| W | |||||
| Waban | WW 1 | Unknown | |||
| Wabanaquot | YTB 525 | YTM 525 | Stricken 1976, Sold | ||
| Wabaquaset | YTB 724 | Stricken 1945 | |||
| Wahaka | YTB 526 | YTM 526 | Decom 1946, Stricken 1985 / Scrapped 5/1/88 | ||
| Wahneta | WW 1 | Tug # 1 | YT 1 | Stricken 1922 | |
| Wahneta | YT 134 | YTM 134 | Decom 1946, Stricken 1946 | ||
| Wahpeton | YTB 527 | YTM 527 | Stricken 1985, Sold | ||
| Wahpeton | LT 2084 | YTM 757 | Stricken 1974, Sold | ||
| Wahtah | YT 140 | YTB 140 | YTM 140 | Stricken 1974, Sold / Re-named Big Boy | |
| Wakonda | YTB 528 | Cancelled 1945 | |||
| Waliaki | YTB 706 | Cancelled 1945 | |||
| Wallacut | YT 420 | YTB 420 | YTM 420 | Stricken 1976 / Sunk as a Target 9/1/1976 | |
| Wampatuk | WW 1 | YT 27 | Decom 1931, Stricken 1941 | ||
| Wampatuck | YT 337 | YTB 337 | Decom 1946, Stricken 1946 | ||
| Wamsutta | Civil War | Unknown | |||
| Wanamassa | YTB 820 | Active in Guantanamo Bay, Cuba | |||
| Wandank | WW 1 | F Tug # 26 | AT 26 | Unknown | |
| Wando | WW 1 | Tug # 17 | AT 17 | Unknown | |
| Wando | YT 123 | YTB 123 | AT 17 | Decom 1946, Stricken 1946 | |
| Waneta | YT 384 | YTB 384 | YTM 384 | Decom 1974, Stricken 1974 | |
| Wannalancet | YT 385 | YTB 385 | YTM 385 | Decom 1946, To Venezuela 1965 | |
| Wapakoneta | YTB 766 | Stricken 2001, Sold to Boston Tow Boat, Renamed "Hercules | |||
| Wapato | YTB 788 | Stricken 1996, Sold 2002 to McAllister Towing Newport News VA / Renamed Timothy McAllister | |||
| Waposha | YNT 13 | YTB 737 | Decom 1947, Stricken 1947 | ||
| Washakie | YT 386 | YTB 386 | YTM 386 | Decom 1975, Stricken 1975 | |
| Washtucna | YTB 826 | YTZ 2 | Active / Re-Acquired by the US Navy and re-activated in Bangor WA. | ||
| Wathena | YTB 825 | Stricken 2000, Sold to McAllister Tugs / Renamed Patrick McAllister | |||
| Watseka | YT 387 | YTB 387 | YTM 387 | Unknown | |
| Waubansee | YT 366 | YTB 366 | YTM 366 | Stricken 1983 | |
| Wauwatosa | YTB 775 | Stricken 2002 | |||
| Wawasee | YT 367 | YTB 367 | YTM 367 | Decom 1974, Stricken 1974 / Scrapped 4/28/87 | |
| Waxahachie | IX 540 | YTB 814 | Active - US Naval Undersea Warfare Division / Pearl Harbor, HI | ||
| Weehawken | YTB 776 | Stricken 2002 to SINKEX, Sunk as a Target | |||
| Wenatchee | YTB 808 | Active in Bremerton, WA. | |||
| Westchester | WW 1 | Unknown | |||
| Wenonah | YT 148 | YTB 148 | YTM 148 | Decom 1974, Stricken 1974 | |
| Whitecap | WW 1 | Unknown | |||
| Wickakee | YTB 529 | Cancelled 1945 | |||
| Wicomico | WW 1 | Choctaw | YT 26 | Lost Feb. 15, 1940, Virginia | |
| William F. McCauley | WW 1 | Unknown | |||
| Winamac | YT 394 | YTB 394 | YTM 394 | Stricken to SINKEX 3/9/2001 / Sunk as a Target | |
| Windigo | YT 421 | YTB 421 | YTM 421 | Stricken 1975 / Sunk as a Target 8/1/1976 | |
| Wingina | YT 395 | YTB 395 | YTM 395 | Decom 1946, Stricken 1985 | |
| Winnemucca | YTB 785 | Stricken 1995, Sold 2003 to LMW Investments Inc. Renamed Noelani | |||
| Winnetka | YT 376 | YTB 376 | Lost Jan 1, 1946, Iow Jima | ||
| Winthrop | WW 1 | Unknown | |||
| Woban | YT 138 | YTB 138 | YTM 138 | Decom 1967, Stricken 1967 | |
| Wompatuck | WW 1 | YT 27 | Decom 1931, Stricken 1938 | ||
| Wovoka | YT 396 | YTB 396 | YTM 396 | Stricken 1974, Sold | |
| Woyot | YT 150 | YTB 150 | YTM 150 | Decom 1969, Stricken 1969 | |