Agness Onna Gidna is a Tanzanian paleontologist. She is Senior Curator of Paleontology at the National Museum of Tanzania. She graduated from the University of Dar es Salaam, Complutense University of Madrid, and the University of Alcala. She is a founder of the largest Pastoral Neolithic site in sub-sahara Africa-(Luxmanda Site). She is a co-director of an International research projects eg. the Olduvai Gorge Project. As Senior Curator of Paleontology at the National Museum of Tanzania, she has organized and curated two major exhibitions about human origin in Olduvai Gorge Museum and the National museum of Tanzania. she gave tours to , First Lady of Malawi.