Level 6

Level 5 may refer to:


 * Level 5 in UK National Qualifications Framework
 * Level 5 in International Nuclear Event Scale "Serious Accident", the penultimate level
 * Level 5 in English football league system (section Promotion and relegation rules for the top eight levels)
 * Honeywell Level 6 minicomputer manufactured by Honeywell, Inc. from the mid 1970s
 * STANAG 4569 protection level