English abbreviations from tkk to tl
- TKK (Chuuk International Airport)
- TKL (Tokelau (ISO 3166 trigram))
- TKLD (Tackled)
- TKM (Turkmenistan (ISO 3166 trigram))
- TKN (Total Kjeldahl Nitrogen)
- TKO (Technical Knockout)
- TKP (Teacher Knowledge Project)
- TKQ (Kigoma Airport)
- TKR (Team Knight Rider)
- TKS (Thermo Kinetic Selectivity)
- TKT (Tak Airport)
- TKU (Turku Airport)
- TKW (TreeKeeper for Windows)
- tl (Tagalog language (ISO 639-1 code))