- YOA stands for Years of Age
- YOA stands for Young Offenders Act
- YOA stands for Youth for Africa
- YOA stands for Youth Orchestra of the Americas (Arlington, VA)
- YOA stands for Youth of America
- YOA stands for Yachiyo of America, Inc. (Columbus, OH)
- YOA stands for Yukon Orienteering Association (Canada)
- YOA stands for Year of Assessment (taxation)
- YOA stands for Yukon Outfitters Association (Canada)
YOA