(in Armenian Յովհաննէս Պետրոս ԺԸ Գասպարեան; English: John Petros XVIII Kasparian, French: Jean Pierre XVIII Kasparian; 20 January 1927 – 16 January 2011)[1] was the Armenian Catholic Catholicos-Patriarch of Cilicia from 1982-98 when he retired.
Kasparian was born in Cairo and began his studies in 1943 at the Institut du Clergé Patriarcal de Bzommar.
He was ordained to the priesthood in 1952 and was vice-president of the Institut du Clergé Patriarcal de Bzommar and taught at Levonian School in Rome until 1957 when he was named as head of the Egyptian Armenian Catholic community.
He was elected as the Catolicos-Patriarch of Cilicia of the Armenian Catholic Church in a synod meeting on 5 August 1982.
Patriarch Kasparian retired in 1998 upon reaching the obligatory of 70 years according to the rules of the Armenian Catholic Church and withdrew to Bzommar.