Phuntsog Namgyal II (Sikkimese: ཕུན་ཚོག་རྣམ་རྒྱལ་; Wylie: phun tshog rnam rgyal) was the fifth Chogyal (king) of Sikkim. He succeeded Gyurmed Namgyal in 1733 and was succeeded himself by Tenzing Namgyal in 1780.