Paul Nguyễn Thanh Hoan (11 November 1932 – 18 August 2014) was a Vietnamese Roman Catholic prelate.

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 1978, he was named pastor of Bồ Câu Trắng (now Thánh Linh) parish in Phan Thiết.

On 14 July 2001, Pope John Paul II appointed him Coadjutor Bishop of Phan Thiết.

He resigned on 25 July 2009 due to age limit and was succeeded by Joseph Vũ Duy Thống.