Siti Mariam binti Ismail (Jawi: ???? ???? ??????? ; 20 April 1933 – 1 December 2015), better known by her stage name Mariani, was an early Malaysian-Singaporean Malay actress, singer and model popular during the 1950s and 1960s.
She was the older sister of Biduanda Saloma and sister-in-law of P.Ramlee.
Mariani was one of the most popular actresses at Jalan Ampas Studios in Singapore during the 50s and 60s, dubbed the "Golden Age of Malay Cinema" at the time.
She has starred in more than 30 films over her 63 year career span.