SMIT may refer to:

Institutes IT and Development Centre. Ministry of the Interior, Estonia, agency under the Ministry of the Interior responsible for providing the developing ICT services for Estonia Sikkim Manipal Institute of Technology, a co-educational private institute of engineering and management in Majitar, Rangpo, East Sikkim, India

Other uses Smit International, a Dutch company operating in the maritime sector IBM AIX SMIT, the AIX OS interface the Single Market Information Tool, supporting the development of the European single market

See also Smit, a surname