Bu ol Kheyr (Persian: بوالخير, also Romanized as Bū ol Kheyr and Bū al Kheyr; also known as Bolkheir, Bolkheyr, Bol Kheyr, Bowlkhayr, Bū al Kheyz, and Bū‘l Khair) is a village in Bu ol Kheyr Rural District, Delvar District, Tangestan County, Bushehr Province, Iran. At the 2006 census, its population was 1,940, in 466 families.