- DTSL stands for Desktop Technology Services Limited (est. 1997; New Zealand)
- DTSL stands for Dream Team Super Light (paint ball team)
- DTSL stands for Detroit Toledo Shore Line
- DTSL stands for Drake Training Systems Limited (online training)
- DTSL stands for Dual Transition Skewed Logic (electrical circuit technology)
- DTSL stands for Digital Tools Summit for Linguistics (also seen as DTS-L)
DTSL