Chief sergeant is a rank used in the armed forces of many countries. It is also a police rank in some police forces.
While the rank of chief sergeant is used in a number of NATO countries, it is ranked differently depending on the country.
| NATO code | Country [1] | English equivalent | |
|---|---|---|---|
| UK | US | ||
| OR-9 | Denmark | Warrant officer class 1 | Sergeant major |
| OR-8 | Portugal | Warrant officer class 2 | Master sergeant |
| OR-6 | France | Sergeant | Staff sergeant |
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