Nani has received a number of awards and honours in recognition of her work, including, most recently, the 2021 Felipe Rodriguez Award, presented each year by Bits of Freedom to someone who has done something remarkable for the right to privacy.  Organisers said that “Nani Jansen Reventlow is a tremendous inspiration. With her work she shows how legal remedies can be used for a better world.”

She was shortlisted for a Black Achievement Award in 2021, in the science and education category and the same year received the Stefan A. Riesenfeld Memorial Award, which honours one distinguished scholar or practitioner every year for their outstanding contribution to the field of international law.