OOSA can relate to:

• United Nations Office for Outer Space Affairs
• OOSA, the ICAO code for Salalah Airport
• Object Oriented Structured Analysis

• The lamps are going out
• The lamps are going out all over Europe
• The Lampshade
• The Lampshade: A Holocaust Story from Buchenwald to New Orleans
• The Lamp Still Burns
• The Lamp under a Bushel
• The Lancashire Hotpots
• The Lancashire Hotpots(Band)
• The Lancashire Hotpots (band)
• The Lancashire Witches
• The Lancaster
• The Lancaster University
• The Lancet Infectious Diseases
• The Lancet infectious diseases
• The Lancet Neurology
• The Lancet Oncology
• The Lancet Student
• The Land (1969 film)
• The Land (1974 film)
• The Land Befoe Time 7
• The Land Before Time 10
• The Land Before Time 11
• The Land Before Time 12
• The Land Before Time 13
• The Land Before Time 2