BLSS may refer to:
Bioregenerative life support system, an artificial ecosystem consisting of many complex symbiotic relationships Bioartificial Liver Support, a type of liver support system Faculty of Business, Law and Social Sciences, Birmingham City University, Birmingham, England, UK Bureau of Learner Support Services, Department of Education (Philippines)
See also
BLS (disambiguation) for the singular of BLSs Bless (disambiguation) Bliss (disambiguation) Bloss Blass