ATAT, Atat, or variation, may refer to:

Look up atat in Wiktionary, the free dictionary.

• Ali El Atat (born 1984) Lebanese soccer player
• Nader Al Atat (born 1987) Lebanese singer

• AT-AT 4-legged type Imperial Walker, from the Star Wars fictional universe
• ATAT, a fictional defense contractor from Strike Back, see List of Strike Back characters
• Atat (song), a 2003 song by the Filipino rock band Rivermaya

• Alpha-tubulin N-acetyltransferase, an enzyme
• A common spelling for AT&T, a telecommunications company

• AT (disambiguation)
• AT&T (disambiguation)

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