| Type: | Bishop |
| Honorific-Prefix: | His Excellency |
| James Buis | |
| Honorific-Suffix: | MHM |
| Vicar Apostolic of Kota Kinabalu | |
| Metropolis: | Kota Kinabalu |
| Term Start: | 18 January 1947 |
| Term End: | 1 August 1972 |
| Predecessor: | August Wachter |
| Successor: | Peter Chung Hoan Ting |
| Ordination: | 17 July 1927 |
| Consecration: | 1 May 1952 |
| Birth Date: | 1902 6, df=yes |
| Birth Place: | Leiden |
James Buis (19 June 1902 – 24 April 1980) was a Dutch Roman Catholic prelate of the Mill Hill Missionaries. He was titular bishop of Astypalaia from 1952 until his death and first Vicar Apostolic of Kota Kinabalu from 1947 to 1972.[1] [2] [3]