Reefat Bin-Sattar (Bengali: রিফাত বিন সাত্তার) (born July 25, 1974) is a chess player from Bangladesh and the third grandmaster to emerge from the country.
An International Master since 1993, Bin-Sattar finally achieved the International Grandmaster title in 2006, when his FIDE rating reached the 2500 level required. All three of his qualifying norms were obtained at tournaments held in Dhaka. The two Bangladeshi players to have gained the title previously are Niaz Murshed and Ziaur Rahman.
Bin-Sattar has represented Bangladesh in seven Chess Olympiads, from 1994 to 2006.