- YOP stands for Year Of Publication
- YOP stands for Yersinia outer proteins
- YOP stands for Youth Opportunity Program
- YOP stands for Yearly Operational Plan
- YOP stands for Rainbow Lake, Alberta, Canada – Rainbow Lake (Airport Code)
- YOP stands for Yellow Oleander Poisoning (Sri Lanka)
- YOP stands for Youth Orchestra Program (various organizations)
- YOP stands for Year of Pleasure
YOP