SS Karanja or Karanjah was a riverboat built in 1865 by Henderson, Coulborn and Company in Renfrew, Scotland. Her registered length was, her beam was, her depth was, and her tonnages were and . She was a paddle steamer, with a two-cylinder steam engine that was rated at 90 NHP. Her name is variously registered as Karanja or Karanjah.
Karanja served in British India. Her first owner was The Bombay Coast & River Steam Navigation Co Ltd. She was registered in Bombay, and her UK official number 30637.