PNS/M Hurmat (S-136) is a diesel-electric submarine based on the French Agosta-70-class design.
She was initially named SAS Adventurous for the South African Navy and laid down on 18 September 1977. The submarine was launched on 1 December 1978 at Nantes in France. On 18 February 1980, she was commissioned in the Pakistan Navy as PNS Hurmat.