| Type: | bishop |
| Honorific-Prefix: | The Most Reverend |
| Paul Nguyễn Thanh Hoan | |
| Native Name: | Phaolô Nguyễn Thanh Hoan |
| Native Name Lang: | vi |
| Bishop of Phan Thiết | |
| Province: | Sài Gòn |
| See: | Phan Thiết |
| Term Start: | 1 April 2005 |
| Term End: | 25 July 2009 |
| Predecessor: | Nicolas Huỳnh Văn Nghi |
| Successor: | Joseph Vũ Duy Thống |
| Ordination: | 29 April 1965 |
| Consecration: | 11 August 2001 |
| Consecrated By: | Nicolas Huỳnh Văn Nghi |
| Birth Date: | 11 November 1932 |
| Birth Place: | Nghệ An |
| Death Place: | Phan Thiết |
| Nationality: | Vietnamese |
| Religion: | Roman Catholic |
| Previous Post: | Bishop of Phan Thiết (2005-2009) Coadjutor Bishop of Phan Thiết (2001-2005) |
| Motto: | Vietnamese Tin Mừng cho người nghèo khó |
| Coat Of Arms: | Coat of arms of Paul Nguyễn Thanh Hoan.svg |
Paul Nguyễn Thanh Hoan (11 November 1932 – 18 August 2014) was a Vietnamese Roman Catholic prelate. He was Bishop of Phan Thiết from 2005 to 2009.
Paul Hoan was born in Vinh, Nghệ An in 1932. From 1959 to 1965, he studied at Xuân Bích Major Seminary in Saigon. On 29 April 1965, he was ordained a priest at the Notre-Dame Saigon and was assigned to Đông Hà Parish in Quảng Trị. In 1968, he completed a bachelor's degree in philosophy. In 1978, he was named pastor of Bồ Câu Trắng (now Thánh Linh) parish in Phan Thiết. From 1999 to 2001, he was Dean of Hàm Tân Deanery.
On 14 July 2001, Pope John Paul II appointed him Coadjutor Bishop of Phan Thiết. He was consecrated on 11 August 2001 by Bishop Nicolas Huỳnh Văn Nghi. From 2001 to 2006, he was Head of Committee on Charitable and Social Actions - Caritas Vietnam.
On 5 April 2005, Bishop Paul succeeded Nicolas Huỳnh Văn Nghi as Bishop of Phan Thiết. He resigned on 25 July 2009 due to age limit and was succeeded by Joseph Vũ Duy Thống.