Oberbootsmann (OBtsm or in lists OB) designates in the German Navy of the Bundeswehr a military person or member of the armed forces.

It belongs to the particular rank group Senior NCOs with port epée.

According to the salary class it is equivalent to the Oberfeldwebel of Heer or Luftwaffe.

It is grouped as OR6 in NATO, equivalent to First Sergeant, Master Sergeant, or Senior Chief Petty Officer in the US Armed forces, and to Warrant Officer Class 2 in the British Army and Royal Navy.

The sequence of ranks (top-down approach) in that particular group is as follows: Unteroffiziere mit Portepee