- DTCG stands for Digital Trading Card Game
- DTCG stands for Denver Transit Construction Group (joint venture; Denver, CO)
- DTCG stands for Dragon Tuning Club Gessien (French car club)
- DTCG stands for Doctoral Thesis Completion Grant (Canada)
- DTCG stands for Deutsche Trucker Club Gemeinschaft (German: German Trucker Community Club; est. 1986)
- DTCG stands for Desperate Turk Crackers Group (hackers)
- DTCG stands for Dhaka Tax Consulting Group (Bangladesh)
- DTCG stands for Design-To-Cost Goal
DTCG