Decatur commonly refers to:

Decatur, Alabama, the county seat of Morgan County

• Decatur metropolitan area, Alabama, the largest metro area with the name Decatur

Decatur, Illinois, the county seat of Macon County and largest city with the name Decatur

• Lake Decatur, a reservoir in the city

Decatur may also refer to a number of places, streets, military establishments, schools, and others mostly named after Stephen Decatur:

Places

• Decatur, Arkansas, a city

• Decatur, Georgia, the county seat of DeKalb County

• Decatur, Indiana, the 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, the 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, the county seat of Meigs County

• Decatur, Texas, the 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

Transportation

• 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

Military uses

• 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

Other uses

• 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 Psalm", a song from the 1996 album ATLiens by Outkast

• "Decatur", a song from the 2023 album Since I Have a Lover by 6lack

• "Decatur", a song from the 1992 album Headsparks by Seam

• "Decatur, or, Round of Applause for Your Step Mother!", a song from the 2005 album Illinois by Sufjan Stevens

See also

• Decatur Subdivision, a former railroad line in Illinois and Indiana