Omaha (plural Omahas or Omaha)
- A member of a tribe of Native Americans currently residing in northeastern Nebraska and western Iowa.
- The largest city in the state of Nebraska, United States, and the county seat of Douglas County.
- The language spoken by the Omaha tribe.
- (poker) Omaha hold 'em, any of several poker variants.
Omaha hold 'em — see Omaha hold 'em