William Cadman (4 April 1883 in Rotherhithe – 7 December 1948 in Da Lat) was an English missionary in Vietnam with his American wife Grace.
"[4] Cadman was a printer by profession who after conversion to Christianity left England for theological school in Canada then America.
He enrolled to be a missionary in China but from there visited Vietnam where he met an American born nurse Grace Hazenberg.
The couple ran a printing shop in Hanoi from 1917 until 1942 when they were interned by the Japanese at Mỹ Tho.
Grace Cadman died on 24 April 1946 at the age of 69 and was buried at Mạc Đĩnh Chi Cemetery, Saigon.