| Type: | Bishop |
| Honorific-Prefix: | His Excellency |
| Michael Pak Jeong-il | |
| Native Name: | 충성 온유 |
| Native Name Lang: | ko |
| Bishop Emeritus of Masan | |
| Archdiocese: | Daegu |
| Diocese: | Masan |
| Appointed: | 15 December 1988 |
| Term End: | 11 November 2002 |
| Predecessor: | Joseph Byeong Hwa Chang |
| Successor: | Francis Xavier Ahn Myong-ok |
| Previous Post: | Bishop of Jeju (1977–1982) Bishop of Jeonju (1982–1988) |
| Ordination: | 23 November 1958 |
| Consecration: | 31 May 1977 |
| Consecrated By: | Luigi Dossena |
| Birth Date: | 1926 12, df=yes |
| Birth Place: | Pyongyang, Heian'nan-dō, Korea, Empire of Japan |
| Motto: | In fide et lenitate |
Michael Pak Jeong-il (18 December 1926 – 28 August 2024) was a South Korean Roman Catholic prelate. He was bishop of Jeju from 1977 to 1982, Jeonju from 1982 to 1988, and Masan from 1988 to 2002.[1] Pak Jeong-il died on 28 August 2024, at the age of 97.[2]