O
| Name | Affiliation | Country | Languages |
|---|---|---|---|
| Osgood, Sewall M. | Baptist | Burma | EN |
| Overholt, William W. | Methodist | Sarawak | EN |
P
| Name | Affiliation | Country | Languages |
|---|---|---|---|
| Peoples, Samuel C. | Presbyterian | Thailand | EN |
| Phinney, Frank D. | Baptist | Burma | EN |
S
| Name | Affiliation | Country | Languages |
|---|---|---|---|
| Shepherd, Hilda E. | Methodist | Sarawak | EN |
| Sutlive, Vinson H. | Methodist | Sarawak | EN |
W
| Name | Affiliation | Country | Languages |
|---|---|---|---|
| Webb, Doris H. | Methodist | China, India, Sarawak | EN |
| Wiant, Bliss Leighton | Methodist | Sarawak | EN, CN |
| Wiltshire, Keith V. | Methodist | Sarawak | EN |
| Wong Nai Siong 黃乃裳 (Huáng Nǎishang) | Methodist | Sarawak | EN, CN |