|Service branch||Royal Navy|
|Next higher rank||Surgeon Captain|
|Next lower rank||Surgeon Lieutenant-Commander|
Surgeon Commander is a commissioned officer rank of the Royal Navy's Medical Branch established in 1918. It replaced the earlier rank of Fleet Surgeon (1875-1918). It is the sixth highest rank available an officer can attain to in the Royal Naval Medical Service. It ranks below Surgeon Captain and above Surgeon Lieutenant-Commander. It is equivalent to a Commander of the navy's Executive Branch.