Maria Emma Horne (born Auma Maria Emma Ojok, June 11, 1990) is an Ugandan climate activist and entrepreneur. She is the co-founder of , a not for profit that works to improve environmental conservation and access to health and education through capacity building. Through BLI Global she has collaborated across the United States, Europe, Africa and Asia on environmental projects including the Saving Dolphins project with the International Union for Conservation of Nature (IUCN) Bangladesh in 2019. She is also the co-founder of , an investment management company focused on impact investing that has started three funds to increase finance flows into impact driven businesses.