YYA
| Acronym | Definition |
|---|---|
| YYA | Youth and Young Adult ministries (Church of the Brethren ministry for youth and young adults) |
| YYA | You, You're Awesome (band) |
| YYA | Ystävyys-, Yhteistyö- ja Avunantosopimus (Finnish: Agreement of Friendship, Cooperation & Mutual Assistance Treaty Finland & USSR) |
| YYA | Youth and Young Adults Program (United Church of Christ Coalition for Lesbian, Gay, Bi, and Transexual Concerns; Cleveland, OH) |