| Abbreviation | Definition |
|---|---|
| TYME | Total Youth Ministry Experience |
| TYN | The Yiddish Network |
| TYS | Taking Your Soul |
| TYT | Tithe Your Talents |
| TZC | Toronto Zionist Council |
| TZF | The Zoo Fence |
| TZMC | Tassajara Zen Mountain Center |
| U | Unification |
| U | Unity |
| UABC | University Avenue Baptist Church |
| UAC | Unaltered Augsburg Confession |
| UAICC | Uniting Aboriginal and Islander Christian Congress |
| UAM | United Adult Ministries |
| UAW | Universal Almighty Wisdom |
| UAY | United Action for Youth |
| UB | United Brethren |
| UBB | U Better Believe |
| UBC | United Baptist Church |
| UBE | Union of Black Episcopalians |
| UBF | University Bible Fellowship |