Dallington may refer to:

• Sir Robert Dallington (1561–1637), an English courtier and writer
• Dallington, East Sussex
• Dallington, Northamptonshire
• Dallington, New Zealand

• ATG3
• ATG4A (gene)
• ATG4B (gene)
• ATG4D
• ATG4D (gene)
• ATG5 (gene)
• ATG7 (gene)
• ATG9A (gene)
• Atgaon
• ATG (Apple)
• At Geisenheimer's
• A. T. Gifford (ship)
• Atglen and Susquehanna Railroad
• Atglen Library
• ATG (Novell)
• At Golden Gate Park (Jefferson Airplane album)
• A.T. Goldie Gardner
• At Gunpoint
• At Gunpoint (film)
• At Gwanghwamun
• Athabasca Acres, Alberta
• Athabasca Airline
• Athabasca Airlines
• Athabasca Country
• Athabasca County, Alberta