| YA | young adult | 年轻人 |
| YA | Yellow Armor | 黄盔 |
| YA | Youth Association | 青年协会 |
| YA | Young Arrest | 年轻人被捕 |
| YA | Youssef Amin | 尤瑟夫·阿明 |
| YA | Young America | 年轻的美国 |
| YA | Your Ass | 你的屁股 |
| YA | Young Adolescent | 青少年 |
| YA | Yelberton Abraham Tittle (football quarterback) | Yelberton Abraham Tittle(足球四分卫) |
| YA | Yleiset Aineet (Finnish, music term) | Yleiset Aineet(芬兰语,音乐术语) |
| YA | Year Ago (financial statements) | 前一年(财务报表) |
| YA | Yellow Armor (gaming) | 黄色盔甲(游戏) |
| YA | Youth Advocacy | 青年宣传 |
| YA | Yellowstone Alliance | 黄石联盟 |
| YA | Young Americans (Drum and Bugle Corps) | 美国年轻人(鼓笛队) |
| YA | Years Ago (homo-sapiens evolution) | 多年前(智人进化) |
| YA | Young Audiences | 年轻观众 |
| YA | Youth Assembly | 青年大会 |
| YA | Yanmar America | Yanmar美国 |
| YA | Yellen & Associates (Northridge, CA) | Yellen及同事(CA)的北岭 |
| YA | Yläaste (Finnish: school) | Yläaste (Finnish: school) |
| YA | Youth Aids | 青少年艾滋病 |
| YA | Yet Another | 另一个 |
| YA | Yield Analysis | 产量分析 |
| YA | Yellow Armour (Quake) | 黄色盔甲(地震) |