ACK

ACK, Ack or Acks may refer to:

Computing

• Acknowledgement (data networks)
• ACK (TCP), the control character used in the Transmission Control Protocol to acknowledge receipt of a packet

• Amsterdam Compiler Kit, a retargetable compiler suite and toolchain

People

• Ack Kinmonth, 21st century Australian composer
• Ack van Rooyen (1930–2021), Dutch jazz trumpeter and flugelhornist
• Ron Acks (1944–2023), American National Football League player

Transportation

• Nantucket Airlines or ACK Air, an American airline
• IATA airport code for Nantucket Memorial Airport, Massachusetts, US
• ACK, station code for Acklington railway station, Acklington, Northumberland, UK

Other uses

• Anglican Church of Kenya
• Amar Chitra Katha, an Indian comic book publisher
• Assumption College, Kilmore, an Australian school
• ack, ISO 639-3 code for Akakhora, an extinct Great Andamanese language
• TNK2 or ACK or ACK1, an enzyme that in humans is encoded by the TNK2 gene

See also

• Armstrong Whitworth F.K.8, an early biplane known as the "Big Ack"
• Ack Ack (disambiguation)