Deutsche Telekom AG (German pronunciation: [ˌdɔʏtʃə ˈteːləkɔm ʔaːˌɡeː] (listen); short form often just Telekom, DTAG or DT; stylised as ·T·) is a German telecommunications company that is headquartered in Bonn and is the largest telecommunications provider in Europe by revenue. Deutsche Telekom was formed in 1995 when Deutsche Bundespostcode: deu promoted to code: de (at that time a monopoly under state ownership) was privatized. Since then, Deutsche Telekom has featured among Fortune 500 companies, with its latest ranking at number 62 (in 2022). The company operates several subsidiaries worldwide, including the mobile communications brand T-Mobile.

As of April 2020, the German government held a direct 14.5% stake in company stock and another 17.4% through the government bank KfW. The company is a component of the EURO STOXX 50 stock market index.