Olinto Marella (14 June 1882 – 6 September 1969) was an Italian Roman Catholic priest who exercised his pastoral service in the Archdiocese of Bologna.

[1] Pope Francis confirmed a miracle attributed to him on 28 November 2019 and Marella was beatified in Bologna on 4 October 2020.

[1] Marella studied in Rome and was a classmate of Angelo Giuseppe Roncalli – the future Pope John XXIII.

[1] Cardinal Aristide Cavallari ordained him to the priesthood on 17 December 1904 and he was assigned to teach in seminaries in Chioggia.

Some other priests objected to his work as being too evangelical but it did not matter for he had the support of Pope John XXIII who considered Marella to be a "dear friend".