Category:Category-Class United States articles
This category contains category pages that have been rated as "Category-Class" by WikiProject United States. Categories are automatically placed into this category when the corresponding rating is given; please see the assessment department for more information.
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 FA |  A |  GA | B | C | Start | Stub | FL | List | Category | Disambig | Draft | FM | File | Portal | Project | Redirect | Template | NA | ??? |
| 1,069 | 84 | 4,998 | 14,197 | 44,557 | 173,810 | 159,459 | 437 | 15,878 | 157,322 | 1,646 | 1,432 | 1,155 | 25,012 | 3,045 | 1,567 | 47,597 | 22,134 | 269 | 7,900 |
Pages in category "Category-Class United States articles"
The following 200 pages are in this category, out of approximately 157,322 total. This list may not reflect recent changes.
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- Category talk:Opelousas, Louisiana
- Category talk:Open government in the United States
- Category talk:Open Letter Books books
- Category talk:Open Road Films films
- Category talk:Open space reserves of Massachusetts
- Category talk:Open the Freedom Gate Champions
- Category talk:Open the United Gate Champions
- Category talk:Open-air museums in Arizona
- Category talk:Open-air museums in Arkansas
- Category talk:Open-air museums in Colorado
- Category talk:Open-air museums in Indiana
- Category talk:Open-air museums in Iowa
- Category talk:Open-air museums in Kentucky
- Category talk:Open-air museums in Louisiana
- Category talk:Open-air museums in Massachusetts
- Category talk:Open-air museums in Nebraska
- Category talk:Open-air museums in New Hampshire
- Category talk:Open-air museums in New Mexico
- Category talk:Open-air museums in North Carolina
- Category talk:Open-air museums in North Dakota
- Category talk:Open-air museums in Ohio
- Category talk:Open-air museums in South Carolina
- Category talk:Open-air museums in Texas
- Category talk:Open-air museums in Utah
- Category talk:Open-air museums in Vermont
- Category talk:Open-air museums in Washington (state)
- Category talk:Open-air museums in West Virginia
- Category talk:Open-air museums in Wyoming
- Category talk:Open-source intelligence in the United States
- Category talk:Open-spandrel deck arch bridges in the United States
- Category talk:Opera festivals in the United States
- Category talk:Opera houses in Arkansas
- Category talk:Opera houses in Colorado
- Category talk:Opera houses in Delaware
- Category talk:Opera houses in Idaho
- Category talk:Opera houses in Indiana
- Category talk:Opera houses in Iowa
- Category talk:Opera houses in Kentucky
- Category talk:Opera houses in Louisiana
- Category talk:Opera houses in Massachusetts
- Category talk:Opera houses in Nebraska
- Category talk:Opera houses in New Hampshire
- Category talk:Opera houses in New Mexico
- Category talk:Opera houses in North Carolina
- Category talk:Opera houses in North Dakota
- Category talk:Opera houses in South Carolina
- Category talk:Opera houses in Texas
- Category talk:Opera houses in the United States
- Category talk:Opera houses in the United States by state
- Category talk:Opera houses in Utah
- Category talk:Opera houses in Vermont
- Category talk:Opera houses in Washington (state)
- Category talk:Opera houses in Washington, D.C.
- Category talk:Opera houses in West Virginia
- Category talk:Opera houses on the National Register of Historic Places in Colorado
- Category talk:Opera houses on the National Register of Historic Places in Indiana
- Category talk:Opera houses on the National Register of Historic Places in Iowa
- Category talk:Opera houses on the National Register of Historic Places in Nebraska
- Category talk:Opera houses on the National Register of Historic Places in North Dakota
- Category talk:Opera houses on the National Register of Historic Places in Texas
- Category talk:Opera in the United States
- Category talk:Opera world premieres at Houston Grand Opera
- Category talk:Operas based on works by American writers
- Category talk:Operas set in the United States
- Category talk:Operation Alsos
- Category talk:Operation Bid Rig
- Category talk:Operation Condor
- Category talk:Operation Gladio
- Category talk:Operation Prime Time
- Category talk:Operations against Baton Rouge (American Civil War)
- Category talk:Operations against organized crime in the United States
- Category talk:Operations against the Defenses of Charleston (American Civil War)
- Category talk:Operations against the Sioux in Dakota Territory (American Civil War)
- Category talk:Operations groups of the United States Air Force
- Category talk:Operations in West Louisiana (American Civil War)
- Category talk:Operations involving American special forces
- Category talk:Operations to blockade the Texas Coast (American Civil War)
- Category talk:Operations to control Indian Territory (American Civil War)
- Category talk:Operations to control Missouri (American Civil War)
- Category talk:Operations units of the United States Air Force
- Category talk:People killed in Central Intelligence Agency operations
- Category talk:Operatives of Operation Condor
- Category talk:Opinion polling for elections in the United States
- Category talk:Opinion polling for the 2008 United States presidential election
- Category talk:Opinion polling for the 2016 United States presidential election
- Category talk:Opinion polling for the 2020 United States presidential election
- Category talk:Opinion polling in the United States
- Category talk:Opposition Party (United States) politicians
- Category talk:Opposition Party members of the United States House of Representatives from Indiana
- Category talk:Opposition Party members of the United States House of Representatives from Kentucky
- Category talk:Opposition Party members of the United States House of Representatives from Michigan
- Category talk:Opposition Party members of the United States House of Representatives from North Carolina
- Category talk:Opposition Party members of the United States House of Representatives from Vermont
- Category talk:Opposition to antisemitism in the United States
- Category talk:Opposition to same-sex marriage in the United States
- Category talk:Opposition to the War in Afghanistan (2001–2021)
- Category talk:Opposition to United States involvement in the Vietnam War
- Category talk:Oprah Winfrey Network original programming
- Category talk:Optimist (dinghy)
- Category talk:Optometry schools in the United States
- Category talk:Oral Roberts Golden Eagles seasons
- Category talk:Oral Roberts University
- Category talk:Oral Roberts University faculty
- Category talk:Oral Roberts University people
- Category talk:Orange City, Iowa
- Category talk:Orange County, California
- Category talk:Orange County, Florida
- Category talk:Orange County, Indiana
- Category talk:Orange County, New York
- Category talk:Orange County, North Carolina
- Category talk:Orange County, Texas
- Category talk:Orange County, Vermont
- Category talk:Orange County, Virginia
- Category talk:Orange Free State–United States relations
- Category talk:Orange Is the New Black
- Category talk:Orange Line (Dallas Area Rapid Transit)
- Category talk:Orange Line (MBTA)
- Category talk:Orange Line (Washington Metro)
- Category talk:Orange, Texas
- Category talk:Orange, Vermont
- Category talk:Orangeburg County, South Carolina
- Category talk:Orbital Sciences Corporation
- Category talk:Orcas
- Category talk:Orchard Books books
- Category talk:Orchard, Nebraska
- Category talk:Orchestras based in Colorado
- Category talk:Orchestras based in Indiana
- Category talk:Orchestras based in Massachusetts
- Category talk:Orchestras based in Texas
- Category talk:Orchids of Kentucky
- Category talk:Orchids of the United States
- Category talk:Orchids of the United States by state
- Category talk:Orders, decorations, and medals of the United States
- Category talk:Orderville, Utah
- Category talk:Ordinances of the Continental Congress
- Category talk:Ordovician Arkansas
- Category talk:Ordovician Colorado
- Category talk:Ordovician geology of New Mexico
- Category talk:Ordovician geology of North Dakota
- Category talk:Ordovician geology of Texas
- Category talk:Ordovician geology of Vermont
- Category talk:Ordovician Idaho
- Category talk:Ordovician Indiana
- Category talk:Ordovician Iowa
- Category talk:Ordovician Kentucky
- Category talk:Ordovician Nebraska
- Category talk:Ordovician United States
- Category talk:Ordovician West Virginia
- Category talk:Oregon Attorney General elections
- Category talk:Oregon Commissioner of Labor and Industries elections
- Category talk:Oregon counties
- Category talk:Oregon Country
- Category talk:Oregon County, Missouri
- Category talk:Oregon gubernatorial elections
- Category talk:Oregon House of Representatives elections
- Category talk:Oregon in the American Civil War
- Category talk:Oregon Iron Works aircraft
- Category talk:Oregon Know Nothings
- Category talk:Oregon Legislative Assembly
- Category talk:Oregon Legislative Assembly elections
- Category talk:Oregon legislative sessions
- Category talk:Oregon pioneers
- Category talk:Oregon placenames of Native American origin
- Category talk:Oregon Senate elections
- Category talk:Oregon state senators
- Category talk:Oregon Superintendents for Indian Affairs
- Category talk:Oregon Territory judges
- Category talk:Oregon wine
- Category talk:Oregon, Ohio
- Category talk:Orem Owlz players
- Category talk:Orem, Utah
- Category talk:Organ Mountains–Desert Peaks National Monument
- Category talk:Organ Pipe Cactus National Monument
- Category talk:Organic farming in the United States
- Category talk:Organization of American Historians
- Category talk:Organizations associated with the United States Marine Corps
- Category talk:Organizations based in Akron, Ohio
- Category talk:Organizations based in Albuquerque, New Mexico
- Category talk:Organizations based in Amarillo, Texas
- Category talk:Organizations based in Arizona
- Category talk:Organizations based in Arkansas
- Category talk:Organizations based in Austin, Texas
- Category talk:Organizations based in Baton Rouge, Louisiana
- Category talk:Organizations based in Beaumont, Texas
- Category talk:Organizations based in Bellevue, Washington
- Category talk:Organizations based in Boise, Idaho
- Category talk:Organizations based in Boston
- Category talk:Organizations based in Cambridge, Massachusetts
- Category talk:Organizations based in Cary, North Carolina
- Category talk:Organizations based in Casper, Wyoming
- Category talk:Organizations based in Cedar Rapids, Iowa
- Category talk:Organizations based in Charleston, South Carolina
- Category talk:Organizations based in Charlotte, North Carolina
- Category talk:Organizations based in Cheyenne, Wyoming
- Category talk:Organizations based in Cincinnati
- Category talk:Organizations based in Cleveland
- Category talk:Organizations based in Colorado
- Category talk:Organizations based in Colorado Springs, Colorado
- Category talk:Organizations based in Columbia, South Carolina
- Category talk:Organizations based in Columbus, Ohio