Alta

Alta or ALTA can be

Acronyms
 Amur Leopard and Tiger Alliance or ALTA, an initiative to conserve the Amur leopard and Amur tiger
 Accelerated life testing or Accelerated life testing analysis

Places
 Canada 
 Alta Creek, the official name of the River of Golden Dreams, in Whistler, British Columbia
 Alta Lake (British Columbia), a lake in Whistler, British Columbia
 Alta Lake, British Columbia, a community now part of Whistler, British Columbia
 Mont Alta, a hill in the Laurentides zone of the Laurentian Mountains of Quebec
Alberta, Canada (abbreviation ALTA)

Norway
 Alta (municipality)
 Alta (town)
 Altaelva (Alta River)

 Sweden 
 Älta, a locality in Stockholm

Ukraine
 Alta (river)

 United States 
 Alta, California, a community in Placer County, California
 Alta California ("Upper California"), the Mexican territory that later became the U.S. state of California
 Alta, Illinois, a community in Peoria County, Illinois
 Alta, Indiana, a community in Vermillion County, Indiana
 Alta, Iowa, a city in Buena Vista County, Iowa
 Alta, Utah, a town in Salt Lake County, Utah
 Alta Ski Area, a ski area located in the Wasatch Mountains, in Salt Lake County, Utah
 Alta, Fayette County, West Virginia, an unincorporated community in Fayette County, West Virginia
 Alta, Greenbrier County, West Virginia, an unincorporated community in Greenbrier County, West Virginia
 Alta, Wyoming, a community in Teton County, Wyoming
 Alta Lake State Park, a park in the northwest interior of the state of Washington

People
 Alta (poet) (Alta Gerrey, born 1942), writer from Oakland, California
 Alta Cohen, Major League Baseball player