BLI

BLI may refer to:

Biology

• Bio-layer interferometry, a real-time technique to study biomolecular interactions
• Bioluminescence imaging, a technology that allows for the noninvasive study of small laboratory animals

Organizations

• Bible Lessons International, an American Bible study ministry
• BirdLife International, the international conservation organization working to protect the world's birds and their habitats

Other

• Bellingham International Airport, a public airport located three miles (5 km) northwest of Bellingham, Whatcom County, Washington
• OECD Better Life Index, an interactive tool that allows people to compare countries' performances according to their own preferences
• WBLI, an American radio station in Patchogue, New York
• BackLog Item, an item in the backlog in Scrum (software development)