|Service branch||Royal Navy|
|Next higher rank||Surgeon Vice-Admiral|
|Next lower rank||Surgeon Commodore|
Surgeon Rear-Admiral is a flag rank of the Royal Navy's Medical Branch established in 1918. It replaced the earlier rank of Surgeon-General (1911-1918). It is the second highest rank available an officer can attain to in the Royal Naval Medical Service. It ranks below Surgeon Vice-Admiral and above Surgeon Commodore. It is equivalent to a Rear-Admiral of the navy's Executive Branch.