Isidore Ndaywel è Nziem (born 7 February 1944, Ipamu), is a Congolese historian and linguist.
Isidore Ndaywel è Nziem was born in Ipamu in 1944 in modern-day Kwilu Province.
He presided over the society of Congolese historians, and teaches history at the Faculty of Letters and Human Sciences at the University of Kinshasa.
In France, Ndaywel presided over the École des hautes études en sciences sociales (EHESS) from 1993 to 1997 and worked as a researcher at the Centre d'études des mondes africains [fr] (CEMAF) of the University of Paris 1 Pantheon-Sorbonne.
[2][3] Ndaywel launched a call to protest against incumbent Congolese president Joseph Kabila who tried to stay in power despite the end of his mandate, together with the committee of catholic laymen with intellectuals such as Jonas Tshiombela, Thierry Nlandu and Léonie Kandolo in December 2017.