Places

• Alert, Indiana
  Alert, Indiana
  Alert is an unincorporated town in Jackson Township, Decatur County, Indiana....
  
  , a community in the United States
• Alert, Nunavut
  Alert, Nunavut
  Alert, in the Qikiqtaaluk Region, Nunavut, Canada, is the northernmost permanently inhabited place in the world, from the North Pole. It takes its name from HMS Alert, which wintered east of the present station, off what is now Cape Sheridan, in 1875–1876.Alert was reported to have five permanent...
  
  , Canada, the northernmost permanently inhabited place in the world
• Alert Bay, British Columbia
  Alert Bay, British Columbia
  Alert Bay is a village on Cormorant Island, British Columbia, Canada. According to the 2006 census, 556 people live within the village.-Population:Slightly more than half of the village's 556 residents are First Nations people...
  
  , Canada, an island community on the west coast of British Columbia

Ships

• Alert, a sailing ship built by Hitchins and Joyce which sailed from 1902 to 1923
• HMS Alert
  HMS Alert
  Sixteen ships of the Royal Navy have borne the name HMS Alert , while another was planned:...
  
  , any of several ships of the British Royal Navy
• SS Alert
  SS Alert
  The SS Alert was a steamship that sunk off Cape Schanck, Victoria, Australia on 28 December 1893. The ship was built for the gentle waters of Scottish lochs and was almost long and weighed 247 tonnes....
  
  , a steamship that sank off Victoria, Australia in 1893
• USS Alert
  USS Alert
  Five ships of the United States Navy have borne the name Alert. During World War I, three ships held the name simultaneously.* The , was an 18 gun sloop-of-war captured from the United Kingdom in the War of 1812....
  
  , any of several ships of the United States Navy

Other

• Alert, a warning, such as a red alert
• Alert
  Alert (application)
  Alert is a free mobile application developed on MicroStrategy Gateway technology that allows users to follow their favorite Facebook Pages in one integrated place on their mobile device...
  
  , a mobile application for Facebook news, media and networking
• alert, in the card game of contract bridge
• Alert dialog box
  Alert dialog box
  An alert dialog is a colloquial term for a particular type of dialog box that occurs in a graphical user interface. It is also known as an alert box, alert window, error dialog, alert popup or plainly alert.The typical alert dialog provides information in a separate box to the user, after which...
  
  , a type of dialog box used in graphical user interfaces
• Alert messaging, machine-to-person communications such as reminders and notifications
• Alert state
  Alert state
  An alert state is an indication of the state of readiness of the armed forces for military action or a State against terrorism or military attack.Examples are the DEFCON levels of the US armed forces, and the British government's UK Threat Levels....
  
  , an indication of the state of readiness of the armed forces or a state
• Alert Records
  Alert Records
  Alert Records is a Canadian independent record label based in Toronto, Ontario, Canada.- External links :* * *...
  
  , a record label

As an initialism

• Air Land Emergency Resource Team
  Air Land Emergency Resource Team
  The Air Land Emergency Resource Team is a Christian service ministry and training organization located in Big Sandy, TX at the former campus of Ambassador College.-Training:...
  
  
• ALERT (medical facility, Ethiopia)
  ALERT (medical facility, Ethiopia)
  ALERT is a medical facility on the edge of Addis Ababa, specializing in Hansen’s disease, also known as “leprosy”. It was originally the All Africa Leprosy Rehabilitation and Training Center , but the official name is now expanded to include tuberculosis: All Africa Leprosy, Tuberculosis and...
  
  , a training center for leprosy and tuberculosis
• Arizona League to End Regional Trafficking
  Arizona League to End Regional Trafficking
  The Arizona League to End Regional Trafficking is a coalition representing partnerships with law enforcement, faith-based communities, non-profit organizations, social service agencies, attorneys and concerned citizens...