ATT may refer to:
The attack on Pearl Harbor was a surprise military strike by the Imperial Japanese Navy Air Service against the United States naval base at Pearl Harbor, Hawaii Territory, on the morning of December 7, 1941. The attack, also known as the Battle of Pearl Harbor, led to the United States' entry into World War II.
Attention deficit hyperactivity disorder (ADHD) is a mental disorder of the neurodevelopmental type. It is characterized by problems paying attention, excessive activity, or difficulty controlling behavior which is not appropriate for a person's age.
Attachment theory is a to describe the dynamics of long-term and short-term interpersonal relationships between humans.
Attila (/ˈætᵻlə/ or /əˈtɪlə/; fl. circa 406–453), frequently referred to as Attila the Hun, was the ruler of the Huns from 434 until his death in March 453. He was also the leader of a tribal empire consisting of Huns, Ostrogoths, and Alans among others, on the territory of Central and Eastern Europe.
Most common law jurisdictions, the attorney general (sometimes abbreviated as AG) or attorney-general (pluralized as attorneys general or attorneys-general, as "general" is a postpositive adjective) is the main legal advisor to the government, and in some jurisdictions they may also have executive responsibility for law enforcement, prosecutions or even responsibility for legal affairs generally.
Attachment in adults deals with the theory of attachment in adult relationships including friendships, emotional affairs, adult romantic relationships and in some cases inanimate objects known as "transitional objects."