Alta
- AV Alta FC
- Accelerated life testing
- Alberta
- Alt-A
- Alta (dye)
- Alta (given name)
- Alta (novel)
- Alta (poet)
- Alta (river)
- Alta (town)
- Alta (vehicles)
- Alta Airport
- Alta Architects
- Alta Battalion
- Alta Bike Share
- Alta Car and Engineering Company
- Alta Club
- Alta Copper
- Alta Devices
- Alta Flights
- Alta Group Newspapers
- Alta High School (Iowa)
- Alta High School (Utah)
- Alta IF
- Alta Lake (British Columbia)
- Alta Lake State Park
- Alta Motors
- Alta Municipality
- Alta Newspaper Group
- Alta Peak
- Alta Records
- Alta Ski Area
- Alta Township, Barnes County, North Dakota
- Alta Township, Harvey County, Kansas
- Alta Wind Energy Center
- Alta banka a.d.
- Alta language
- Alta, California
- Alta, Fayette County, West Virginia
- Alta, Greenbrier County, West Virginia
- Alta, Illinois
- Alta, Indiana
- Alta, Iowa
- Alta, Utah
- Alta, Wyoming
- Alta-class minesweeper
- Altaelva
- Altas (disambiguation)
- Alto (disambiguation)
- American Land Title Association
- American Literary Translators Association
- Amur leopard
- Arta (disambiguation)
- Atlanta Lawn Tennis Association
- Bendigo Goldfields
- Eelco Alta
- Lake Alta
- List of former ski areas of Quebec
- MV Alta
- River of Golden Dreams
- Saltarello
- Älta