Bernt Berntsen (1863–1933) was a Norwegian American and one of the earliest Pentecostal missionaries in China. He was the first missionary to introduce Oneness Pentecostalism to China, thereby becoming the critical link in the formation of the indigenous True Jesus Church.

Berntsen was born and reared in Larvik, Norway. Following his marriage to Magna Berg (1867–1935), together they migrated to the USA in 1893. Spiritually restless and searching for a deeper commitment in his faith, he volunteered as a missionary to China. In 1904—the …