T-Mobile is the brand name used by the mobile communications subsidiaries of the German telecommunications company Deutsche Telekom AG. The brand is active in:
- T-Mobile (Czech Republic)
- T-Mobile (Poland)
- T-Mobile (Netherlands)
- T-Mobile UK, discontinued in 2015 in favor of EE
- T-Mobile (United States)
- T-Mobile (Austria); rebranded to Magenta Telekom in 2019
In the following European countries, the T-Mobile brand got replaced by the Telekom brand in the early 2010s.