Orchestre de l’Opéra national de Paris

list of official company names since 1939 (for more, see https://en.wikipedia.org/wiki/Paris_Opera#The_company.27s_names_after_the_Revolution ):
1939 - Réunion des théâtres lyriques nationaux (formed by merger of Opéra-Comique and Théâtre national de l’Opéra)
1978 - Réunion des théâtres lyriques nationaux disbanded to make way for Théâtre national de l'Opéra de Paris
1990 - Opéra de Paris (merger of Le Palais Garnier and l’Opéra Bastille); Opéra-Comique regains its independence.
1994 - Opéra de Paris renamed as l’Opéra national de Paris
official timeline: https://www.operadeparis.fr/en/l-opera-de-paris/l-institution/histoire-de-l-onp