| Wet chemistry | Wet Hot American Summer: First Day of Camp | Wet infrastructure |
| Wet processing engineering | Wet suit | Wet sulfuric acid process |
| Wet wing | Wet-bulb globe temperature | Wetland |
| Wetmore, Kansas | Wetonka, South Dakota | Wetting |
| Wetting current | Wetumka, Oklahoma | Wetware computer |
| Wewahitchka, Florida | Wewoka, Oklahoma | Wexford Township, Michigan |
| Weyauwega (town), Wisconsin | Weyauwega, Wisconsin | Weybridge, Vermont |
| Weyer, Bas-Rhin | Weyerhaeuser, Wisconsin | Weyersheim |
| Weymouth, Massachusetts | Wezombeli | WF6 |
| WFP | Wget | WGS84 |
| Whalan, Minnesota | Whale (Pluto) | Whanganui |
| Wharf | Wharton's jelly | Wharton, Ohio |
| Wharton, Texas | What Cheer, Iowa | What Happens in Vegas |
| What Is Intelligence? | What is universal history and why does one study it? | What Just Happened |
| What Lies Beneath | What More Can I Give | What to Expect When You're Expecting (film) |
| What women want | What Women Want | What's Eating Gilbert Grape |
| What's New, Scooby-Doo? | Whatever Lola Wants (film) | WhatsApp |
| Whayne Wilson | Wheat | Wheat (color) |
| Wheat flour | Wheat germ oil | Wheat Ridge, Colorado |
| Wheatcroft, Kentucky | Wheatear | Wheatfield Township, Michigan |
| Wheatland Township, Hillsdale County, Michigan | Wheatland Township, Mecosta County, Michigan | Wheatland Township, Sanilac County, Michigan |
| Wheatland, Iowa | Wheatland, Kenosha County, Wisconsin | Wheatland, Vernon County, Wisconsin |
| Wheatland, Wyoming | Wheaton, Illinois | Wheaton, Kansas |
| Wheaton, Minnesota | Wheaton, Wisconsin | Wheatstone bridge |
| Wheel | Wheel and axle | Wheel clamp |
| Wheel of Fortune (U.S. game show) | Wheel tractor-scraper | Wheelbarrow |
| Wheelchair | Wheeler Township, Michigan | Wheeler, Illinois |
| Wheeler, Oregon | Wheeler, Wisconsin | Wheeling, Illinois |
| Wheeling, West Virginia | Wheelock, Vermont | Wheelwright, Kentucky |
| When a Stranger Calls (2006 film) | When Animals Dream | When Harry Met Sally... |
| When I Saw You (film) | When life gives you lemons, make lemonade | When Love and Death Embrace |
| When Maryam Spoke Out | When Tomorrow Comes (film) | When We Were Kings |
| Whenever wherever | Where the Day Takes You | Where the Wild Things Are (film) |
| Where We Are | Where-to-be-born Index | Wherry |
| Whetzel | Whey | Whey protein |
| Whigham, Georgia | While I breathe, I hope | Whip |
| Whip scorpions | Whiplash (2014 film) | Whipped cream |
| Whippomorpha | Whirlpool | Whirlwind |
| Whisk | Whisky | Whisper of the Heart |
| Whispering Pines, North Carolina | Whistle | Whistleblower |
| Whistleblowing | White | White Anglo-Saxon Protestant |
| White Bear Lake, Minnesota | White Bird in a Blizzard | White blood cell |
| White blood cells | White Bluff, Tennessee | White boar |
| White cane | White chocolate | White City, Illinois |
| White City, Kansas | White Cloud Mountain Minnow | White Cloud, Kansas |
| White Cloud, Michigan | White coat | White Day |
| White dwarf | White Earth, North Dakota | White Elephant Sale |
| White Hall, Arkansas | White Hall, Illinois | White Hall, West Virginia |
| White Hart Lane | White hat (computer security) | White Hawk |
| White hole | White Horse | White Horse (Taylor Swift song) |
| White House | White House Down | White House, Tennessee |
| White Lake Township, Michigan | White Lake, South Dakota | White Lake, Wisconsin |
| White matter | White Mosque, Ramla | White Mountain, Alaska |
| White movement | White nationalism | White Nights (1985 film) |
| White noise | White Oak Springs, Wisconsin | White Oak Township, Michigan |
| White paper | White people | White people in the Democratic Republic of the Congo |
| White phosphorus | White Pigeon Township, Michigan | White Pigeon, Michigan |
| White Pine, Tennessee | White Plains, Georgia | White Plains, Kentucky |
| White Plains, New York | White privilege | White River Township, Michigan |
| White River, South Dakota | White River, Wisconsin | White Rock, South Dakota |
| White Rose of York | White Salmon, Washington | White Settlement, Texas |
| White Shadows in the South Seas | White Ship | White spot syndrome |
| White spot syndrome virus | White Stork | White Sulphur Springs, Montana |
| White Sulphur Springs, West Virginia | White supremacy | White torture |
| White trash | White, Georgia | White, South Dakota |
| White-bellied Sea Eagle | White-box testing | White-collar worker |
| White-eye | White-headed capuchin | White-nosed Coati |
| Whiteash, Illinois | Whiteboard | Whitechapel |
| Whitechapel murders | Whitefish (fisheries term) | Whitefish Bay, Wisconsin |
| Whitefish Township, Michigan | Whiteford Township, Michigan | Whitehall (village), New York |
| Whitehall Township, Michigan | Whitehall, Michigan | Whitehall, Montana |
| Whitehall, Ohio | Whitehall, Wisconsin | Whitehouse, Ohio |
| Whitehouse, Texas | Whitelaw, Wisconsin | Whiteleys |
| Whiteness | Whitesboro, New York | Whitesboro, Texas |
| Whitesburg, Georgia | Whitesburg, Kentucky | Whiteside, Missouri |
| Whitespace (programming language) | Whitestown, Wisconsin | Whitesville, Kentucky |
| Whitesville, West Virginia | Whiteville, Tennessee | Whitewater controversy |
| Whitewater Township, Michigan | Whitewater, Kansas | Whitewater, Missouri |
| Whitewater, Wisconsin | Whitewood, South Dakota | Whitfield Diffie |
| Whiting, Indiana | Whiting, Iowa | Whiting, Kansas |
| Whiting, Vermont | Whiting, Wisconsin | Whitingham, Vermont |
| Whitinsville, Massachusetts | Whitley County, Indiana | Whitley County, Kentucky |
| Whitney Houston | Whitney Point, New York | Whitney Township, Michigan |
| Whitney, Nebraska | Whittemore, Iowa | Whittemore, Michigan |
| Whitten, Iowa | Whittier, Alaska | Whitwell, Tennessee |
| WHO | Who Framed Roger Rabbit | WHO Model List of Essential Medicines |
| Who Named It | Who Wants to Be a Millionaire? | Who's That Chick |
| Whole food | Whole foods | Whole note |
| Wholesale | Whonamedit? | Whoopee Camp |
| Whoopi Goldberg | Whore of Babylon | Why Did I Get Married? |
| Why Didn't They Ask Evans? | Why Do You Have to Be So Hard to Love? | Why the lucky stiff |
| Why We Fight | Wi-Fi | Wi-Fi Protected Setup |
| Wiam Dislam | Wibaux, Montana | Wicca |
| Wichert Akkerman | Wichita Falls, Texas | Wichita, Kansas |
| Wicked Game | Wickenburg, Arizona | Wicker Park (film) |
| Wickersheim-Wilshausen | Wickham striae | Wickliffe, Kentucky |
| Wicquinghem | Widad Akrawi | Wide area network |
| Wide-angle X-ray scattering | Wide-body aircraft | Wide-field Infrared Survey Explorer |
| Widehem | Widened mediastinum | Widescreen |
| Widget toolkit | Widmanstätten pattern | Widower |
