

| Acronym | Sense | Language | Topics | 
|---|---|---|---|
| TT | Tiroler Tageszeitung | In German | → Newspapers, journalism | 
| TT | TEJO-Tutmonde | In Esperanto | → Serial publications, periodicals | 
| TT | Terminal Timing | In English | → Quality management | 
| TT | Thrust Termination | In English | → Vehicle engineering |