Isata Mahoi (born in Kailahun, Kailahun District, Sierra Leone) is a Sierra Leonean radio talk show host and actress in the soap opera program Atunda Ayenda. Mahoi who is commonly known in Sierra Leone by her stage name Mammy Saio and she is one of the biggest and most famous Sierra Leonean entertainers.

Atunda Ayenda is the most popular and most widely listened to radio prgram in Sierra Leone. Atunda Ayenda was created through non-government organisation search to help people understant the political and social conditions that have unfolded Sierra Leone. The show is broadcast all major radio stations throughout Sierra Leone