SSRISSRI is an acronym that stands for several things:
- It is a class of antidepressants called selective serotonin reuptake inhibitor
- SSRI also is used as the stock symbol for Silver Standard Resources Inc
- This is the acronym for Social Systems Research Institute
- Social Survey Research Information Co., Ltd.
- SSRi: a Power Pop band from New Jersey
- (place other examples here -- there seem to be many on Google)