Adjany da Silva Freitas Costa (born 1989) is an Angolan biologist and conservationist from Huambo who served as the Angolan Minister of Culture, Tourism and Environment from April to October 2020.

[1][2][3] Costa has a master's degree in biology and a PhD in International Wildlife Conservation Practices from the University of Oxford.

[1][2] In 2015, Costa was part of a trip from Angola to the town of Maun, Botswana via mokoro to demonstrate the connectivity of the Okavango River and the impact of the Angolan Civil War on the environment of the country.

[2] Costa was the African winner of the United Nations Environment Programme Young Champions of the Earth award in 2019 for her advocacy to protecting the Okavango Delta.

[6] She received this in recognition for her community-based conservation work with the Luchaze people of the Eastern Angolan highlands and the Okavango Delta.