Ronald Ignacio Lunas (27 November 1966 – 2 January 2024) was a Filipino Roman Catholic prelate who served as bishop of Pagadian (2018–2024).

Lunas studied philosophy and Catholic theology in Davao City and received the sacrament of ordination for the diocese of Digos on 7 April 1992.

[1] After a short period of work in pastoral care in the Immaculate Conception Parish in Caburan, Lunas stayed in Rome from 1993 to 1996 for further studies.

After returning home, he was initially a lecturer and later director of the St. Francis Xavier regional seminary in Davao City.

Beginning in 2013 he was episcopal vicar for the clergy of the diocese of Digos and was a member of the college of consultors and the priests' council.