Deta

Deta may refer to:


 * Database engine tuning advisor, is a computer software tool for Microsoft SQL Server that enables database tuning
 * Dielectric thermal analysis, Dielectric Thermal Analysis or Dielectric Thermal Analyser (an instrument for performing dielectric thermal analysis)
 * Diethylenetriamine, is an organic compound with the formula HN(CH2CH2NH2)2
 * Deta, Romania, a town in western Romania
 * Deta Hedman (born 1959), Jamaican-born, English darts player
 * DETA Air, an airline, with bases in Almaty and Shymkent, Kazakhstan.
 * DETA Mozambique Airlines