|Service branch||Royal Navy|
|Next lower rank||Surgeon Rear-Admiral|
Surgeon Vice-Admiral is a flag rank of the Royal Navy's Medical Branch established in 1918. It replaced the earlier rank of Director-General (1856-1918). It is the highest rank available an officer can attain to in the Royal Naval Medical Service. It ranks above Surgeon Rear-Admiral and is equivalent to a Vice-Admiral of the navy's Executive Branch.