Conversation so far:
What is another designation for the Romani people besides Romani people?
The Romani people are widely known among English-speaking people by the exonym Gypsies (or Gipsies), which is considered to be pejorative due to its connotations of illegality and irregularity.
Who refers to the Romani people as Gypsies?
The Romani people are widely known among English-speaking people by the exonym Gypsies (or Gipsies).
What other names do the Romani people have besides Gypsies?
As described in Victor Hugo's novel The Hunchback of Notre Dame, the medieval French referred to the Romanies as Egyptiens.
Did anyone else refer to the Romani people as Egyptiens besides the medieval French?
The English term Gypsy originates from Middle English gypcian, short for Egipcien. Spanish Gitano and French Gitan have similar etymologies. They are ultimately derived from Greek Aigyptioi, meaning Egyptian.
What else is interesting in the Romani people article besides the etymology of English term Gypsy, Spanish Gitano, and French Gitan?
Another common designation of the Romani people is Cingane, which likely derives from Athinganoi, the name of a Christian sect with whom the Romani became associated in the Middle Ages.

Question: Who referred to them as Cingane?
Self-contained rewrite: Who referred to the Romani people as Cingane?