The Tanzania Coalition on Debt and Development (TCDD) is a coalition of Civil Society Organizations (CSOs) in Tanzania that has dedicated themselves to undertake various lobbying and advocacy activities on policy, budget, debt cancellation/relief, poverty eradication and sustainable human development.

TCDD was launched as a loose coalition in 1998, and was then officially registered as a Non-Governmental Organization on 17th December 2007 with Registration No. 00NGO/0260 under the Non-Governmental Act. No. 24 of 2002.