Niner could refer to:

• CT-19-7409, a clone trooper sergeant stationed in the Rishi system, nicknamed "O'Niner."
• GT-9R, a droid referred to as "Niner" by his masters Tirog and Thannik
• Niner, a clone trooper who participated in the Mission to the third moon of Vassek.
• RC-1309, the clone commando who led Omega Squad, who was also nicknamed "Niner".

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