See also lists of all IFRC regions, National Societies, and Country codes
: TB : Tuberculosis
: TBA : Traditional birth attendant
: TBC : to be completed _ to be confirmed _ to be considered _ to be continued _ **tuberculosis**
: TB-DOTS : Tuberculosis Directly observed treatment, short-course
: TCIRC : Turks and Caicos Islands Red Cross
: TD : Tribal District
: TF : Task Force
: THL : Terveyden ja Hyvinvoinnin Laitos
: TI : Transparency International
: TK : Turkish Red Crescent Society (Türk Kizilay)
: ToC : Table of Contents _ Theory of Change
: ToR : Terms of Reference
: ToT : Training of Trainers
: TRC : Togolese Red Cross _ Tuvalu Red Cross (Society) _ Tunisian Red Crescent
: TRCNS : Tanzania Red Cross National Society
: TRCS : Tuvalu Red Cross Society _ The Thai Red Cross Society _ Tonga Red Cross Society _ Red Crescent Society of Tajikistan _ Turkish Red Crescent Society
: TT : Tetanus toxoid
: TTRC : The Trinidad and Tobago Red Cross Society
: TTRCS : The Trinidad and Tobago Red Cross Society
: TWG : Technical working group