RSH may mean: The former NYSE stock symbol for RadioShack Regulator of Social Housing Remote shell, a UNIX command-line utility for remotely executing commands Restricted shell, a restricted shell environment for Unix Robert Stephenson and Hawthorns, a locomotive manufacturer Rogers Stirk Harbour + Partners, a British architectural firm Royal South Hampshire Hospital in Southampton Royal Shrewsbury Hospital in Shrewsbury The graffiti tag of artist Raymond Salvatore Harmon R-SH, within organic chemistry, the notation used for a compound also known as Thiol The Russian Mission Airport in Alaska, United States