Decatur may refer to:
Decatur, Alabama Metropolitan Area, including Decatur, Alabama
Decatur, Alabama, county seat of Morgan County
Decatur, Arkansas, a city
Decatur, Georgia, county seat of DeKalb County
Decatur, Illinois, county seat of Macon County
Lake Decatur, a reservoir in the city
Decatur, Indiana, county seat of Adams County
Decatur City, Iowa, a city in Decatur County
Decatur, Kentucky, an unincorporated community in Russell County
Decatur, Michigan, a village
Decatur, Mississippi, county seat of Newton County
Decatur, Missouri, a ghost town
Decatur, Nebraska, a village
Decatur, New York, a town
Decatur, Ohio, an unincorporated community
Decatur, Tennessee, county seat of Meigs County
Decatur, Texas, county seat of Wise County
Decatur, Washington, an unincorporated community
Decatur, Wisconsin, a town
Decatur County (disambiguation)
Decatur Township (disambiguation)
Decatur Island, one of the San Juan Islands in Washington state
Decatur Boulevard, Las Vegas, Nevada, a north-south thoroughfare
Decatur Highway, U.S. Route 31 in Alabama between Decatur and Birmingham
Decatur Street (disambiguation)
Decatur (MARTA station), a railroad station in Decatur, Georgia
USS Decatur, several ships of the U.S. Navy
Decatur (1813 ship), an American privateer of the War of 1812
Fort Decatur, a fort in New York during the War of 1812
Decatur (name), a list of people with either the surname or given name
34351 Decatur, an asteroid
Decatur High School (disambiguation)
Arizona Charlie's Decatur, a casino hotel in Las Vegas
"Decatur, or, Round of Applause for Your Step Mother!", a song from the 2005 album Illinois (album) by Sufjan Stevens
